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• Sustainability Puzzles and the Extraterrestrial Turn
  crossref Chelsea Haramia 2026-01-16T14:18:27Z 置信度 0.70
• <title>Changes in the stable isotope composition of gases and minerals as a result of microbial activity</title>
  The effect of biological fractionation of carbon and sulfur isotopes is described now for many microbial processes. Stable isotope composition of carbon and sulfur gases and minerals, produced by microorganisms depends on isotope composition of initial substra…
  crossref Michael V. Ivanov, Alla Y. Lein 2005-03-28T18:01:09Z 置信度 0.70
• The Relational Legacy of Extraterrestrial Intelligence
  crossref Gabriela Radulescu 2025-01-31T21:08:46Z 置信度 0.70
• APPENDIX
  crossref 2024-11-20T21:00:32Z 置信度 0.70
• Thermal‐Infrared Emission Spectroscopy of Graybody Minerals (Sulfide): Implications for Extraterrestrial Exploration for Magmatic Ore Deposits
  Abstract Graybody materials exhibit systematically low emissivity across their spectrum. This characteristic violates the key assumption of unit emissivity at some wavenumber in the spectrum used to calibrate thermal‐infrared emission data. This assumption mak…
  crossref Kevin M. Hubbard, Christopher W. Haberle, Linda T. Elkins‐Tanton, Philip R. Christensen 等 2023-02-24T12:22:08Z 置信度 0.70
• Communication with Extraterrestrial Intelligence
  crossref 2016-08-03T06:15:59Z 置信度 0.70
• extraterrestrial, adj. & n.
  crossref 2023-09-29T15:25:33Z 置信度 0.70
• Extraterrestrial Life The Search for Extraterrestrial Life, Vol. 22 J. S. Hanrahan
  Extraterrestrial Life Get access The Search for Extraterrestrial Life, Vol. 22, edited by Hanrahan J. S., Advances in the Astronautical Sciences, An American Astronautical Society Publication, Scholarly Publications, Inc.. Sun Valley, Calif. 1968, 377 p., illu…
  crossref Elie Shneour 2006-04-25T19:45:59Z 置信度 0.70
• Chapter 1. Are We Alone? Estimating the Prevalence of Extraterrestrial Intelligence
  crossref Seth Shostak 2022-10-11T10:57:11Z 置信度 0.70
• METI: Messaging to ExtraTerrestrial Intelligence
  crossref Alexander L. Zaitsev 2011-02-14T09:55:06Z 置信度 0.70
• Extraterrestrial Extrapolations of Earthly Organismality
  It has long been known that the microbial component of terrestrial ecosystems provides the capacity for nutrient and elemental cycling and other key ecosystem services. Advances in DNA sequencing technology and analytical capacity continue to reveal novel insi…
  crossref Tim Dumonceaux 2022-01-20T20:20:08Z 置信度 0.70
• Acknowledgments
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• Extraterrestrial Languages
  If we send a message into space, will extraterrestrial beings receive it? Will they understand? The endlessly fascinating question of whether we are alone in the universe has always been accompanied by another, more complicated one: if there is extraterrestria…
  crossref Daniel Oberhaus 2019-11-27T18:02:52Z 置信度 0.70
• Extraterrestrial governance
  Abstract If and when humans explore, settle, and establish a community on Mars, and eventually on other planets, moons, and extrasolar systems, determining what sort of political and economic systems should be set up there are explored in this chapter. Given t…
  crossref Michael Shermer 2023-01-19T03:01:46Z 置信度 0.70
• Extraterrestrial Intelligence: Friends, Foes, or Just Curious?
  crossref George Michael 2013-09-14T11:46:29Z 置信度 0.70
• A Darker Forest?
  crossref Roland Faber 2025-11-21T13:18:47Z 置信度 0.70
• Introduction
  crossref Andrew M. Davis 2025-11-21T13:18:47Z 置信度 0.70
• [ Front Matter ]
  crossref 2024-01-29T15:26:40Z 置信度 0.70
• Patterns of Extraterrestrial Culture
  crossref William Sims Bainbridge 2013-09-14T11:46:29Z 置信度 0.70
• Extraterrestrial intelligent life and Islamic beliefs
  crossref Shoaib Ahmed Malik 2024-01-24T16:12:11Z 置信度 0.70
• S.E.ARCH: Science Fiction and Extraterrestrial Architecture
  <p>Until this point in time, space architecture has relied heavily on engineering - resulting in little room for artistic practice. The resulting habitats are ill-equipped to sustain the quality of life required for long-term or interplanetary missions. …
  crossref KaiMei Shum 2021-12-08T18:16:35Z 置信度 0.70
• Communication with Extraterrestrial Intelligence (CETI)
  crossref 2023-06-15T14:09:49Z 置信度 0.70
• Possible Extraterrestrial Focal SETI and Its Implications for Terrestrial SETI
  crossref Nicolò Antonietti, Paolo Musso 2025-01-31T21:08:46Z 置信度 0.70
• Nanoscale investigations of complex microbial interactions with terrestrial and extraterrestrial minerals using STEM based approach: implications for life on Earth and beyond
  Our recent investigations using scanning transmission electron microscopy (STEM) based approach address tungsten-microbial interactions as a microbial strategy to withstand harsh environments, microbial metal extraction capacities for bioleaching/biomining ope…
  openalex Tetyana Milojevic, Mihaela Albu, Ilse Letofsky-Papst, Artem Mashchenko 等 2025-06-12 置信度 0.72 Extraterrestrial lifeEarth (classical element)AstrobiologyEarth scienceEnvironmental science
• Extraterrestrial Drilling: Past, Present, Future
  crossref Kris A. 2023-09-28T14:41:48Z 置信度 0.70
• An observational program to search for radio signals from extraterrestrial intelligence through the use of existing facilities
  crossref R.E. EDELSON 2013-11-18T07:35:41Z 置信度 0.70
• Extraterrestrial Beauty: Science of the Sun
  crossref 2016-10-13T02:53:34Z 置信度 0.70
• Aliens on Earth
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• Appendix C: Lincos
  crossref 2020-01-17T17:56:20Z 置信度 0.70
• From Space Dust to Protocells: Micrometeorites in Early Cellular Evolution.
  Solid surfaces have long been considered catalysts in prebiotic chemistry, yet their physical energy has rarely been explored as a driver of protocell assembly. This opinion article highlights recent experimental advances demonstrating that oxide minerals, Had…
  europepmc 2026 置信度 0.80
• Nanophase Goethite as a Promising Target in the Search for Past Life on Mars.
  The ubiquitous iron oxides and oxyhydroxides on Mars represent intriguing targets in the search for evidence of past microbial life on the Red Planet. So far, no studies have systematically investigated microbial fossils in fluviolacustrine ferricrete composed…
  europepmc 2026 置信度 0.80
• Development of micro-Raman spectroscopy for determination of <sup>18</sup>O/<sup>16</sup>O ratio of forsterite (Mg<sub>2</sub>SiO<sub>4</sub>).
  We propose here the applicability of micro-Raman spectroscopic analysis of oxygen isotope ratios of minerals to the identification of extraterrestrial materials, including presolar grains. The presolar grains provide crucial information for exploring the mater…
  europepmc 2026 置信度 0.80
• Experimental Evidence for a Microbial Origin of Reduction Spots in Red Beds on Earth-and Mars?
  The Perseverance rover recently discovered sedimentary rocks reddened by ferric oxides and peppered with bleached spots lacking these oxides. Some of these spots are associated with phosphate, iron sulfide minerals, and organic matter and are regarded as "pote…
  europepmc 2026 置信度 0.80
• Bioleaching of critical trace metals by <i>Sphingomonas desiccabilis</i>: substrate-driven selectivity in Earth and space analogues.
  Background Biotechnological advances are transforming the potential for sustainable resource utilization in space exploration. Biomining, using microorganisms to extract valuable metals, has emerged as a viable strategy for in situ resource utilization (ISRU) …
  europepmc 2026 置信度 0.80
• Distribution of extraterrestrial nucleobases, other N-heterocycles, and their precursors in a sample from asteroid Bennu.
  The recent discovery of all five canonical nucleobases in samples from Bennu provides compelling evidence that some of life's ingredients were synthesized abiotically in the parent body of this asteroid and/or its precedent components. However, due to the samp…
  europepmc Yasuhiro Oba, Toshiki Koga, Yoshinori Takano, Hiroshi Naraoka 等 2026 置信度 0.80 AsteroidAstrobiologyExtraterrestrial lifeSample (material)Distribution (mathematics)
• Microbial and synthetic biology solutions for waste management and biomanufacturing off Earth.
  Waste management aboard the International Space Station is a critical challenge due to limited space, microgravity, and continuous waste generation. This manuscript explores biotechnological strategies that convert waste into valuable resources, supporting sus…
  europepmc 2026 置信度 0.80
• Dual-Functional Metallized Basalt Fiber with Exceptional Electromagnetic Interference Shielding and Joule Heating Capabilities under Simulated Lunar Temperature Conditions.
  The lunar mare region is rich in basaltic minerals, and in situ resource utilization (ISRU) is a fundamental strategy for sustainable extraterrestrial construction. However, combining electroless plating with basalt fibers for such construction leads to a sign…
  europepmc 2026 置信度 0.80
• Biosignature Detection and Preservation in Lake Salda Microbialites Under Simulated Martian Conditions.
  The alteration of martian deposits under extreme surface conditions remains a key challenge for their mineral-organic interpretation and paleoenvironmental reconstruction. This study investigates the spectral detection and alteration of mineral-organic signatu…
  europepmc 2026 置信度 0.80
• Biotic and Abiotic Signatures in Sulfate- and Carbonate-Rich Hypersaline Lakes as Analogs for Mars.
  Lacustrine sulfate- and carbonate-rich deposits have been detected at Jezero and Gale craters on Mars. The preservation of potential biosignatures in these sites may depend on the nature of precipitated salts and the early diagenetic history of in situ mineral…
  europepmc 2026 置信度 0.80
• Anabaena-a promising chassis for space exploration.
  Anabaena, a nitrogen-fixing cyanobacterium from the Nostocaceae family, is a promising chassis for sustained space exploration. Using NEKO, this study surveys 2000 publications on Anabaena and summarizes the research, including systems biology, modeling, and p…
  europepmc 2026 置信度 0.80
• From Earth to Mars: a perspective on exploiting biomineralization for Martian construction.
  resource utilization (ISRU) technologies is imperative. This perspective article explores the potential of biomineralization as a low-energy, sustainable alternative to conventional construction methods, such as Portland cement and thermal sintering approaches…
  europepmc Shiva Khoshtinat, Jared Long-Fox, Seyed Mohammad Javad Hosseini 2025 置信度 0.80 MartianMars Exploration ProgramBiomineralizationAstrobiologyEngineering
• Transcrystalline Fracture of Minerals on the Moon.
  To the best of our knowledge, this study is the first to identify the mechanical mode from an atomic-level experimental observation and theoretical analysis of microfracture of minerals on the Moon. This vivid case comes from the focused anorthite in the Chang…
  europepmc Qing Liang, Zhou Jiang, Xiujuan Li, Xinyang Li 等 2025 置信度 0.80 Fracture (geology)AnorthiteGeologyAmorphous solidAstrobiology
• Tricks of Nature From the Ancient Earth and Early Mars: Chemical Gardens Generate Biomorphs With High Preservation Potential.
  Observations of morphology are commonly used to evaluate the biogenicity of terrestrial microfossils and could constitute a crucial line of evidence for extraterrestrial life-detection missions in the future. However, evaluating the origin of morphological fea…
  europepmc 2026 置信度 0.80
• Extraterrestrial <sup>3</sup>He flux variability during the Triassic recorded in pelagic bedded cherts of Japan.
  Interplanetary dust particles are highly enriched with 3He implanted by the solar wind, enabling the reconstruction of extraterrestrial dust fluxes to Earth from sedimentary 3He records. However, the fluxes of extraterrestrial dust during periods predating the…
  europepmc Tetsuji Onoue, Kohei Setoyama, Honami Sato, Takuma SHIOHARA 等 2026 置信度 0.80 GeologyExtraterrestrial lifePelagic zonePelagic sedimentPaleontology
• Photothermal Polarimetric Nanoscopy: An Emerging Technique for Fingerprinting Minerals of Extraterrestrial Origin.
  Nanospectroscopic investigations of the mineralogical composition of materials returned via sample-return missions are crucial for our understanding of the origin and evolution of planetary objects in our Solar System. Here, we show that the emerging technique…
  europepmc T. Shay, K. Hinrichs, S.G. Pavlov, N. Stojanovic 等 2025 置信度 0.80 Photothermal therapyPolarimetryRemote sensingAstrobiologyInfrared
• Extreme Arabian environments and their microbiomes: new frontiers for astrobiology and biosignature discovery.
  Astrobiology assesses the habitability of planetary bodies and the potential for extraterrestrial life. Analog environments on Earth serve as sites for studying extreme environments that resemble extraterrestrial conditions, aiding in validating life-detection…
  europepmc Júnia Schultz, Paula García-Martínez, Sharifah Altalhi, Nicholas Kontis 等 2026 置信度 0.80 HabitabilityAstrobiologyExtraterrestrial lifeExtreme environmentMars Exploration Program
• Evaporitic Preservation of Modern Carotenoid Biomarkers and Halophilic Microorganisms in Mars Analog Hypersaline Environments.
  Our investigation in Mars-relevant terrestrial environments where biological material is entombed within rapidly precipitated evaporite crystals has given us the ability to evaluate the preservation potential of a hypersaline brine system in advance of interro…
  europepmc 2025 置信度 0.80
• Chemical Routes to Primitive Membranes: Prebiotic Lipid Formation at the Origin of Life.
  The origin of life is, to the best of our knowledge, impossible to imagine without the formation of complex prebiotic biomolecules such as RNA, DNA, proteins and lipids. Lipids play a crucial role in the spontaneous formation of cell membranes, which are respo…
  europepmc Anastasiia Shvetsova, M. Fiore 2026 置信度 0.80 AbiogenesisPrebioticBiomoleculeChemistryBiochemistry
• Space ionizing radiation triggers the formation of peptides and organophosphates on olivine surfaces.
  Abstract Bioorganic molecules, such as amino acids, nucleobases, and sugars, are widely distributed in space. Here, we utilized the Chinese Space Station to carry out an investigation on the solid-state condensation reactions of these “prebiotic organic molecu…
  europepmc Ruiwen Ding, Shiwen Qiu, Xiaofan Guo, Mengya Zhang 等 2026 置信度 0.80 ForsteriteBiomoleculeIonizing radiationDipeptideChemistry
• Yeast-driven biomanufacturing in space: synergizing cellular agriculture for sustainable extraterrestrial habitats.
  Human expansion into deep space necessitates sustainable life support. Current prepackaged food systems face nutritional, logistical, and psychological limits on long missions. Cell agriculture, particularly yeast-based biomanufacturing, emerges as a pivotal s…
  europepmc Yishu Yin, Heqi Gao, Dan Xiao, Ting Ju 等 2026 置信度 0.80 Sustainable agricultureAgricultureEnvironmental resource managementEngineeringBiomanufacturing
• Redox chemistry of early Earth and the origin of life.
  Multiple controversial scenarios have been proposed explaining the emergence of life, both from environmental and chemical perspectives. These scenarios discuss environmental settings including deep-ocean hydrothermal vents, volcanic lakes, hot springs, and ge…
  europepmc Nurbubu T. Moldogazieva, Alexander A. Terentiev, Innokenty M. Mokhosoev, Dmitry V. Astakhov 2026 置信度 0.80 ChemistryRedoxEarth (classical element)Early EarthAstrobiology
• Geochemical Mobility of Elements in Antarctic Environments Affected by CO<sub>2</sub>-Rich Hydrothermal Fluids: Astrobiological Implications.
  Hydrothermal systems are widespread in our solar system. Identification of alteration mineral assemblages on Mars and potentially in ocean worlds such as Enceladus suggests the existence of extensive hydrothermal fluid-igneous rock interactions of astrobiologi…
  europepmc 2025 置信度 0.80
• Asteroid sample return missions are critical for understanding our Solar System.
  Analysis of pristine asteroid material in Earth-based laboratories is critical to address many outstanding questions in planetary science. Asteroid sample return missions are therefore crucial for the next generation of discoveries.
  europepmc 2026 置信度 0.80
• Diverging Mineral Chemistry of Iron and Nickel Throughout Earth's Changing Redox Conditions Reveals Foundation for Their Evolution as Protein Cofactors.
  Iron (Fe) and nickel (Ni) were both foundational to early metabolism, yet their biological trajectories diverged as Earth's surface redox state changed. Here, we integrate mineral chemistry network analysis, protein metal-site coordination-sphere analysis, and…
  europepmc Benjamin I. Jelen, Yarissa Peralta, Shaunna M. Morrison, Beth Christensen 等 2026 置信度 0.80 RedoxChemistryEarly EarthFerrousMetalloprotein
• Current understanding of electroautotrophy and its relevance in astrobiology-related research.
  Electroautotrophy-the use of extracellular electrons as the primary energy source for autotrophic metabolism-remains understudied compared to photoautotrophy and chemoautotrophy. Its occurrence in deep-earth and deep-sea environments suggests profound implicat…
  europepmc 2025 置信度 0.80
• Cold-Water CO<sub>2</sub> Geysers as Ocean World Plume Analogs: Investigation of Habitability Indicators in Crystal and Champagne Geysers Pre- and Posteruption.
  Ocean world plumes at Enceladus, Triton, and possibly Europa are astrobiologically significant. These active processes may transport fresh material from potentially habitable subsurface environments to the surface and atmosphere/exosphere, where they can be ac…
  europepmc 2026 置信度 0.80
• Phase-specific nanoscale mechanics of anhydrous astromaterials and implications for larger-scale strength.
  The mechanical behavior of heterogeneous astromaterials is strongly influenced by their dominant mineral phases. Quantifying their mechanical properties is essential for modeling asteroid deflection, designing sample return systems, and planning in-situ resour…
  europepmc 2026 置信度 0.80
• Evaluation of Matrix Effects in SIMS Using Gaussian Process Regression: The Case of Olivine Mg Isotope Microanalysis.
  Rationale Matrix effects by secondary ion mass spectrometry (SIMS) are empirically corrected by calibration using matrix-matched reference materials. However, conventional parametric regression cannot estimate the prediction uncertainty to account for the diff…
  europepmc 2025 置信度 0.80
• Abiotic CO<sub>2</sub> reduction promoted by carbonate and phyllosilicate minerals on the primitive seafloor.
  Adsorption of trace transition-metal cations endows common Ca/Mg-carbonates and phyllosilicates with catalytic activity for electrochemical CO2 reduction under planetary conditions, potentially promoting prebiotic chemistry and the origin of life.
  europepmc Yuan Zhong, Ning Zhang, Daoming Huan, Jingxiang Low 等 2026 置信度 0.80 ChemistryCatalysisCarbonateAdsorptionCarbonate minerals
• Volcanic forcing of global climate cooling at the Younger Dryas onset preserved in North American sediments.
  The Younger Dryas (YD; ~12.9 to 11.7 thousand years) marks an abrupt return to near-glacial conditions during the last deglaciation, yet its cause remains debated. One possible scenario, the YD impact hypothesis, proposes an extraterrestrial trigger. However, …
  europepmc 2026 置信度 0.80
• Planetary microbiology: microbes, planets, and the search for life.
  Life on Earth has been shaped by transformative microbial innovations and singularities that redefined planetary systems, from oxygenic photosynthesis to biological nitrogen fixation. These unique events, occurring only once in life's tractable history, laid t…
  europepmc 2025 置信度 0.80
• Subsurface Life on Earth as a Key to Unlock Extraterrestrial Mysteries.
  The first forms of life on Earth were microbial, preceding the evolution of multicellular life by more than two billion years. Based on our current understanding of the origin of life, it is likely that the first life forms on any extraterrestrial world would …
  europepmc Emeline Vidal, Melody R. Lindsay, James A. Bradley, Magdalena R. Osburn 等 2025 置信度 0.80 Extraterrestrial lifeAstrobiologySearch for extraterrestrial intelligenceEarth scienceBiosphere
• High- and ultrahigh-spatial-resolution geochronology.
  Qiu-Li Li, Hao Wang; High- and ultrahigh-spatial-resolution geochronology, National Science Review, , nwaf200, https://doi.org/10.1093/nsr/nwaf200
  europepmc Qiuli Li, Hao Wang 2025 置信度 0.80 GeochronologyGeologyGeochemistry
• Crystal Habits as Potential Biosignatures.
  Our understanding of crystalline structures within terrestrial planetary analog environments can shed light on how these features can be interpreted on rocky planets and icy moons in our solar system. The ability to distinguish biogenic and abiotic components …
  europepmc 2025 置信度 0.80
• Simplified Meteorite Parent Body Alteration of Amino Acids by Hydrothermal Processes.
  Amino acids have been identified in extraterrestrial materials such as meteorites and returned samples from asteroids and comets. Some of these amino acids or their precursors may have formed on icy interstellar dust grains or at a later phase when these grain…
  europepmc 2024 置信度 0.80
• Primary Stress Factors and Adaptive Mechanisms of Microalgae in Space Environments and Their Applications in Space Life Support Systems.
  Cyanobacteria and eukaryotic microalgae (collectively referred to here as 'microalgae') represent early-evolving oxygenic phototrophs and are widely considered ideal candidates for bioregenerative life support systems (BLSS) due to their high metabolic efficie…
  europepmc 2026 置信度 0.80
• Dynamic controls on subsurface water chemistry and habitability on icy moons.
  Icy moons are natural satellites whose surfaces contain a substantial fraction of frozen materials, most notably water ice. They lie beyond the snow line and orbit gas or ice giant planets, such as Jupiter, Saturn, Uranus, and Neptune. Recent observations and …
  europepmc 2026 置信度 0.80
• Recent progress and future prospects of the early solar system chronology.
  We review the developments in isotope chronology of the oldest extraterrestrial materials achieved in the last 10-15 years, with emphasis on high precision U-Pb and extinct radionuclide dating, and on application of these methods to the materials that formed i…
  europepmc Yuri Amelin, Qing‐Zhu Yin 2025 置信度 0.80 ChronologyHistoryClimatologyGeographyArchaeology
• Maize (Zea mays L.) survival on Mars depends on regolith's chemical composition rather than reduced gravity or lack of magnetic field.
  The long-term success of human missions to Mars requires the ability of plants, like maize (Zea mays L.), to thrive under Martian conditions. We assessed the combined effects of the planet’s unique biophysical environment by simulating Martian gravity (sMG, 0.…
  europepmc 2026 置信度 0.80
• A Low-Background, High-Flatness Mounting Method for In Situ SIMS Isotopic Analysis for Fine-Grained Samples.
  High Resolution Image Download MS PowerPoint Slide Accurate in situ determination of water content and hydrogen isotopes in minerals is essential for understanding magmatic processes on Earth and other planetary bodies. However, such measurements are technical…
  europepmc Yubing Gao, Jialong Hao, Zhan Zhou, Huicun He 等 2025 置信度 0.80 ChemistrySecondary ion mass spectrometryHydrogenAnalytical Chemistry (journal)Isotope analysis
• Cross-Scale Multimodal Imaging for Organic Matter in Extraterrestrial Samples.
  The analysis of extraterrestrial organic matter in samples returned by space missions provides a unique opportunity to study prebiotic chemistry. A comprehensive understanding of the occurrence and composition of organic matter is fundamental to unraveling its…
  europepmc Mingtan Dong, Wei Yang, Jialong Hao, Xiaofei Jia 等 2025 置信度 0.80 ChemistryExtraterrestrial lifeScale (ratio)Organic matterEnvironmental chemistry
• Multiple formation pathways for amino acids in the early Solar System based on carbon and nitrogen isotopes in asteroid Bennu samples.
  Samples collected from the carbonaceous near-Earth asteroid Bennu and delivered to Earth by NASA’s OSIRIS-REx mission contain organic molecules relevant to prebiotic chemistry. Stable isotopic measurements of extraterrestrial soluble organic matter provide cri…
  europepmc Allison A. Baczynski, Ophélie McIntosh, Danielle N. Simkus, Hannah L. McLain 等 2026 置信度 0.80 Murchison meteoriteChemistryMeteoriteAmino acidCarbonaceous chondrite
• Laser-Induced Breakdown Spectroscopy Analysis of Lithium: A Comprehensive Review.
  Lithium has emerged as a pivotal material for the global energy transition, yet its supply security is challenged by limited geographical availability and growing demand. These constraints highlight the need for analytical methods that are not only accurate bu…
  europepmc Stefano Legnaioli, Giulia Lorenzetti, Francesco Poggialini, Beatrice Campanella 等 2025 置信度 0.80 Laser-induced breakdown spectroscopyLithium (medication)NanotechnologyComputer scienceEnvironmental science
• Proteomics of long-term acclimation of the desert cyanobacterium <i>Chroococcidiopsis</i> sp. CCMEE 029 in perchlorate-rich medium and its implications for <i>in situ</i> resource utilization on Mars.
  • Proteome analysis supports Chroococcidiopsis sp. 029 for ISRU on Mars. • Perchlorates induce enzymatic and non-enzymatic antioxidants responses. • Perchlorates activate secondary metabolism and polyhydroxybutyrate biosynthesis. • Chroococcidiopsis sp. 029 ha…
  europepmc Gabriele Rigano, Joerg Doellinger, Peter Lasch, Giorgia Di Stefano 等 2026 置信度 0.80 PolyhydroxybutyrateMars Exploration ProgramCyanobacteriaBiostimulationChemistry
• Exo-Geoscience Perspectives Beyond Habitability.
  This article reviews the emerging field of exo-geoscience, focusing on the geological and geophysical processes thought to influence the evolution and (eu)habitability of rocky exoplanets. We examine the possible roles of planetary interiors, tectonic regimes,…
  europepmc Tilman Spohn, Aki Roberge, M. J. Way, João C. Duarte 等 2026 置信度 0.80 HabitabilityExoplanetAstrobiologyPlanetPlanetary science
• Ichnofossils in volcanic glass from palaeoproterozoic hydrothermal vents were burrowed by microorganisms probably seeking phosphate.
  Ichnofossils in basaltic glass are putative microscopic trace fossils occurring on modern seafloor and throughout Earth history. While their biological origin remains debated, it is unknown why microorganisms thrive in volcanic glass. Here we show ichnofossils…
  europepmc 2026 置信度 0.80
• Raman Spectroscopy and X-Ray Diffraction Investigations of Phase Composition of Tiglit Meteorite.
  Tiglit is an aubrite meteorite which fell in 2021 in Morocco. Fragments of the Tiglit meteorite, recovered shortly after its fall, were analyzed for phase and chemical composition using scanning electron microscopy with energy-dispersive X-ray spectroscopy, Ra…
  europepmc 2026 置信度 0.80
• The Design of a Bioinspired Integrated Total Habitability Instrument for Planetary Exploration: A Review of Potential Sensing Technologies.
  One key objective of astrobiology is to investigate and discover if other planetary bodies are habitable. The determination of whether an environment is habitable to known life requires measuring liquid water, CHNOPS elements, other nutrients, and energy suppl…
  europepmc 2025 置信度 0.80
• An astrobiological perspective on microbial biofilms: their importance for habitability and production of detectable and lasting biosignatures.
  The search for life elsewhere in the universe has remained one of the main goals of astrobiological exploration. In this quest, extreme environments on Earth have served as analogs to study the potential habitability of Mars and icy moons, which include but ar…
  europepmc Sarah Gonzalez-Henao, Matthew O. Schrenk 2025 置信度 0.80 HabitabilityAstrobiologyExtraterrestrial lifeExtreme environmentSolar System
• Argon-based geochronology: advances, limitations and perspectives.
  ABSTRACT Given that K constitutes about 3 wt.% of Earth's crust and is present in most rock-forming minerals, and that Ar diffusion in minerals is temperature-dependent, Ar-based geochronology (40Ar/39Ar and K–Ar dating) can date most rocks and also reveal the…
  europepmc Su‐Chin Chang, Wenbei Shi, Yinzhi Wang, Fei Wang 2025 置信度 0.80 GeochronologyArgonPhysicsBiologyPaleontology
• Organic matter and biomarkers: Why are samples required?
  The search for evidence of past prebiotic or biotic activity on Mars will be enhanced by the return of samples to Earth laboratories. While impressive analytical feats have been accomplished by in situ missions on the red planet, accessing the capabilities of …
  europepmc Mark A. Sephton, A. Steele, Frances Westall, Florence Schubotz 2025 置信度 0.80 Organic matterChromatographyChemistryOrganic chemistry
• Life's homochirality: Across a prebiotic network.
  For centuries, scientists have been puzzled by the mystery of life's biomolecular homochirality-the single-handedness of biological compounds. Sugars and nucleic acids are right-handed, while amino acids are left-handed in biological systems. Likewise, certain…
  europepmc 2025 置信度 0.80
• Sulfide minerals bear witness to impacts across the solar system.
  Sulfide minerals are ubiquitous in extraterrestrial sample collections and serve as a unique record of the microstructural and chemical characteristics resulting from exposure to interplanetary space on airless planetary surfaces. Among these features are Fe-r…
  europepmc M. S. Thompson, J. Davidson, D. L. Schrader, T. J. Zega 2025 置信度 0.80 WitnessSulfideSulfide mineralsEnvironmental scienceComputer science
• Abiotic sugars in (162173) Ryugu and the primitive CI carbonaceous chondrite Orgueil
  Abstract The unequal distribution of prebiotic organic compounds in meteorites—where amino acids and nucleobases are commonly detected but sugars remain scarce and poorly characterized—poses a major challenge in our understanding of extraterrestrial organic ch…
  europepmc 2025 置信度 0.80
• Mars sample return campaign: biological risk and a proposed sample safety assessment protocol.
  Returning surface samples from Mars to Earth has been a major planetary science objective, with the potential for the detection of microbiological life and the possibility of improving our understanding of the origins of life. The National Aeronautics and Spac…
  europepmc 2026 置信度 0.80
• Microbial biomining from asteroidal material onboard the international space station.
  Expanding human space exploration necessitates technologies for sustainable local resource acquisition, to overcome unviable resupply missions. Asteroids, some of which rich in metals like platinum group elements, are promising targets. The BioAsteroid experim…
  europepmc Rosa Santomartino, Giovanny Rodriguez Blanco, Alfred Gudgeon, Jason H. Hafner 等 2026 置信度 0.80 BioleachingInternational Space StationEnvironmental scienceAstrobiologyLeaching (pedology)
• Extreme thermal environments: reservoirs of industrially important thermozymes.
  Extreme thermal environments, both natural (e.g., hot springs, fumaroles, geysers, mud pots, deep-sea hydrothermal vents) and man-made (e.g., compost heaps, sawdust, coal refuse piles), are rich sources of thermophilic microorganisms, including Bacteria and Ar…
  europepmc Anita Pandey, Kusum Dhakar 2025 置信度 0.80 ThermophileExtremophileExtreme environmentNatural (archaeology)Environmental science
• Active redox cycling of phosphorus on the early Earth.
  Phosphorus is a critical bio-limiting nutrient in Earth’s ecosystems. A new study published in Nature Communications reports high availability of phosphite for possibly biological uptake in the late Archean ocean, suggesting an active redox cycling of phosphor…
  europepmc Jihua Hao, Xing Li, Pengcheng Ju, Matthew A. Pasek 2025 置信度 0.80 CyclingPhosphorusRedoxChemistryEnvironmental chemistry
• Gypsum Gardens: Self-Assembled Tubular Structures of Calcium Sulfate with Relevance for the Detection of Extraterrestrial Life.
  Abstract Form is a common and intuitive criterion to distinguish between the realm of living species and the inanimate nature. However, there are in fact no strict boundaries in terms of morphology, as exemplified by so‐called chemical gardens, which form by s…
  europepmc Selina Reigl, Elisabeth Wagner, Carlos Pimentel, Werner Kunz 等 2025 置信度 0.80 GypsumCalcium carbonateSulfateMineralogyMartian
• Extremophiles Breakthrough: Hot Topics and Current Issues in Their Isolation, Identification, and Biotechnological Applications.
  Extremophiles-organisms adapted to survive and thrive under extreme conditions-have fascinated scientists for decades, providing valuable insights into life's resilience and offering untapped potential for technological innovation [...].
  europepmc 2025 置信度 0.80
• Shock-induced nucleation of nanophase Fe-Ni alloy and its implications for interstellar iron reservoirs.
  Shock waves are ubiquitous in star-forming regions, protoplanetary disks, and cometary environments, yet their role in processing refractory metals remains poorly understood. Here, we show that laboratory shock-tube experiments produce nanophase Fe–Ni alloy fr…
  europepmc P Selvaraj, Vijayanand Chandrasekaran 2026 置信度 0.80 KamaciteMaterials scienceAlloyNucleationMetal
• Exploring Life Detection on Mars: Understanding Challenges in DNA Amplification in Martian Regolith Analogue After Fe Ion Irradiation.
  The search for life beyond Earth currently hinges on the detection of biosignatures that are indicative of current or past life, with terrestrial life being the sole known example. Deoxyribonucleic acid (DNA), which acts as the long-term storage of genetic inf…
  europepmc 2025 置信度 0.80
• Nanozymes and Their Potential Roles in the Origin of Life.
  The origin of life has long been a central scientific challenge, with various hypotheses proposed. The chemical evolution, which supposes that inorganic molecules can transform into organic molecules and subsequent primitive cells, laid the foundation for mode…
  europepmc Long Ma, Zimo Liang, Yinyin Hou, Ruofei Zhang 等 2024-12-26 置信度 0.80 AbiogenesisBiomoleculeNanotechnologyOrganic moleculesCatalysis
• Critical Electrochemistry Technologies Applicable in Space Exploration.
  Electrochemistry is versatile, less subject to external influences, and has great potential for the exploration of the unpredictable space environment. This work analyzes the available resources in space and discusses the application scenarios and challenges o…
  europepmc 2025 置信度 0.80
• Open questions on carbonaceous matter in meteorites.
  Extraterrestrial carbon gives insights into the origin of life and processes that took place billions of years ago in our solar system. Here, the authors provide an overview of what is known and of unanswered questions with a meteoritical focus.
  europepmc Oliver Christ, Fabrizio Nestola, Matteo Alvaro 2024 置信度 0.80 MeteoriteAstrobiologyChemistryPhysics
• Bioleaching as a biotechnological tool for metal recovery: from sewage to space mining.
  Heavy metals are essential for technological and economic growth but can cause serious environmental and health problems due to their toxicity and persistence. Traditional methods for metal recovery often have high costs and can create secondary pollution. Bio…
  europepmc 2025 置信度 0.80
• Biochar improves lettuce seedling growth by influencing the nutrient content of simulated lunar soil.
  The utilization of native lunar soil and recycled organic waste as primary resources will reduce the reliance on terrestrial inputs and improve the self-sufficiency of bioregenerative life support systems (BLSSs) in future lunar bases. A major question to addr…
  europepmc 2025 置信度 0.80
• Biomarker Preservation in Antarctic Sandstones after Prolonged Space Exposure Outside the International Space Station During the ESA EXPOSE-E Lichens and Fungi Experiment.
  A primary aim of current and future space exploration missions is the detection and identification of chemical and biological indicators of life, namely biomarkers, on Mars. The Mars Sample Return NASA-ESA program will bring to Earth samples of martian soil, a…
  europepmc 2025 置信度 0.80
• RETRACTED: A 12,800-year-old layer with cometary dust, microspherules, and platinum anomaly recorded in multiple cores from Baffin Bay.
  The Younger Dryas Impact Hypothesis (YDIH) posits that ~12,800 years ago Earth encountered the debris stream of a disintegrating comet, triggering hemisphere-wide airbursts, atmospheric dust loading, and the deposition of a distinctive suite of extraterrestria…
  europepmc Christopher R. Moore, V. A. Tselmovich, Malcolm A. LeCompte, Allen West 等 2025 置信度 0.80 Younger DryasGeologyOceanographyBayHolocene
• Aeroponic Technology for Accelerated Weathering of Extraterrestrial Regolith to Extract Plant Essential Nutrients and Generate Arable Soils.
  Advancements in off-world food and fiber production should seek to utilize regolith as a source of nutrients and prepare it for use as a solid plant growth substrate. Towards this goal, aeroponic biowaste streams containing both inorganic nutrients and root sy…
  europepmc Harrison R. Coker, Aenghus C. Denvir, Isaiah J. Robertson, Caleb E. B. Shackelford 等 2025 置信度 0.80 RegolithWeatheringArable landExtraterrestrial lifeSoil water