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This catalog contains the high-confidence TESS exoplanet candidates identified by ExoNet, a calibrated multimodal deep learning framework combining 1D CNN, Multi-Head Attention, and late fusion of phase-folded light curves with stellar parameters. Model perfor…
datacite
Islam, Md Rashadul
2026
置信度 0.66
TESSexoplanetmachine learninghabitable zoneplanet candidates
-
This catalog contains the high-confidence TESS exoplanet candidates identified by ExoNet, a calibrated multimodal deep learning framework combining 1D CNN, Multi-Head Attention, and late fusion of phase-folded light curves with stellar parameters. Model perfor…
datacite
Islam, Md Rashadul
2026
置信度 0.66
TESSexoplanetmachine learninghabitable zoneplanet candidates
-
The discovery of exoplanets at scale has become one of the defining data science challenges in modern astrophysics. NASA's Transiting Exoplanet Survey Satellite (TESS) had catalogued over 7,800 planet candidates by early 2026, yet confirmation stands at fewer …
datacite
Islam, Md. Rashadul
2026
置信度 0.66
Earth and Planetary Astrophysics (astro-ph.EP)Instrumentation and Methods for Astrophysics (astro-ph.IM)Machine Learning (cs.LG)FOS: Physical sciencesFOS: Physical sciences
-
This catalog contains 35 high-confidence TESS exoplanet planet candidates identified by ExoNet, a multimodal deep learning framework combining 1D CNN, Multi-Head Attention, and late fusion of phase-folded light curves with stellar parameters. Model performance…
datacite
Islam, Md Rashadul
2026
置信度 0.66
TESSexoplanetmachine learninghabitable zoneplanet candidates
-
This chapter reviews the current state of observational and theoretical efforts in the characterization of exoplanet atmospheres, with a focus on developments enabled through the Swiss National Centre for Competence in Research (NCCR) PlanetS. It covers the es…
datacite
Kitzmann, Daniel, Lee, Elspeth K. H., Hoeijmakers, Jens, Heng, Kevin
2026
置信度 0.66
Earth and Planetary Astrophysics (astro-ph.EP)FOS: Physical sciences
-
Most detected transiting planets have orbits which would fit within the one of Mercury, exposing them to intense stellar irradiation and interactions that significantly alter their properties. In contrast, colder planets with longer orbital periods are less af…
datacite
Ulmer-Moll, Solène, Akinsanmi, Babatunde, Müller, Simon
2026
置信度 0.66
Earth and Planetary Astrophysics (astro-ph.EP)Instrumentation and Methods for Astrophysics (astro-ph.IM)FOS: Physical sciencesFOS: Physical sciences
-
In recent decades, the relevance of polarimetry in planetary sciences and astronomy has increased rapidly. Polarization is a fundamental property of light and can be modified by any scattering event. As such, polarization yields additional information that can…
datacite
Patty, C. H. Lucas, Grone, Jonathan, Demory, Brice-Olivier, Kühn, Jonas 等
2026
置信度 0.66
Earth and Planetary Astrophysics (astro-ph.EP)Instrumentation and Methods for Astrophysics (astro-ph.IM)FOS: Physical sciences
-
Abstract Planet migration in protoplanetary disks significantly influences exoplanet architectures. We investigate various migration mechanisms for young planets close to young stars. To quantify the stochastic migration driven by turbulent disks, we incorpora…
crossref
Arturo Cevallos Soto, Zhaohuan Zhu
2026-02-11T06:00:31Z
置信度 0.70
-
In recent years, with advances in astrophysical observation technology, direct imaging has become a powerful method for studying exoplanets, especially in the near-infrared band (11002526 nm). However, under the interference of strong stellar background light …
crossref
Xiaotong Wang
2026-07-13T23:14:03Z
置信度 0.70
-
This paper presents results from four recent photometric observations of the hot Neptune-like exoplanet TOI-1728b conducted at the Meshtitsa Observatory, a private citizen science facility near Pernik, Bulgaria, on December 15 and 29, 2025, and January 12 and …
crossref
Nikola Antonov
2026-04-27T13:11:14Z
置信度 0.70
-
Abstract The Kepler Mission has discovered a plethora of planetary systems with super-Earth sized planets. These systems exhibit many properties, from widely-spaced planets with non-negligible eccentricities and inclinations, to tightly-spaced, coplanar, and n…
crossref
Lucas Brefka, Rebekah I Dawson, Mariah G MacDonald, Phoebe Sandhaus 等
2026-08-15T12:49:01Z
置信度 0.70
-
This work introduces a statistical framework to obtain Bayesian constraints on planet formation parameters, which offers a probabilistic interpretation of uncertainties and degeneracies contained within planet formation models. The model likelihood, or the pro…
crossref
Jason Ran, Mihkel Kama, Anna Sommerville-Thomas
2026-04-10T04:25:55Z
置信度 0.70
-
Discovering exoplanets in orbit around distant stars via direct imaging is fundamentally impeded by the combined effect of optical diffraction and photon shot noise under extreme star-planet contrast. Coronagraphs strive to increase the signal-to-noise ratio o…
crossref
Nico Deshler, Sebastiaan Haffert, Amit Ashok
2025-11-11T11:51:19Z
置信度 0.70
-
crossref
Ayushi Shelke, Mukul Yadav, Aakansha C. Saxena
2026-01-02T03:22:13Z
置信度 0.70
-
The search for life beyond the Solar System requires operational definitions of planetary habitability that can be used both to rank promising exoplanets and to predict the conditions under which atmospheric biosignatures may arise and be detected. Climate mod…
crossref
Laura Silva, Michele Maris, Erica Bisesi, Giuseppe Murante 等
2026-07-02T16:32:44Z
置信度 0.70
-
Chemical models are routinely used to predict the atmospheric composition of exoplanets and compare it with the composition retrieved from observations, but little is known about the reliability of the calculated composition. We carried out a sensitivity analy…
crossref
Marcelino Agúndez
2025-12-02T19:44:31Z
置信度 0.70
-
Context . Characterizing temperate exoplanet atmospheres remains challenging due to their small size and low temperatures. Recent JWST observations provide valuable data, but their interpretation has led to diverging conclusions, highlighting the limitations o…
crossref
O. Sohier, A. Y. Jaziri, L. Vettier, A. Chatain 等
2026-01-06T19:42:03Z
置信度 0.70
-
Abstract The transit timing variation (TTV) method provides a powerful indirect tool to detect and characterize non-transiting planets through their gravitational influence on transiting companions. In this study, we combine numerical TTV simulation using the …
crossref
Muhammad Isnaenda Ikhsan, Mochamad Ikbal Arifyanto, Taufiq Hidayat, Nindhita Pratiwi
2026-05-12T18:00:27Z
置信度 0.70
-
Stellar high-energy radiation is a key driver of atmospheric erosion and evolution in exoplanets, directly affecting their long-term habitability. We present a comprehensive study on stellar high-energy radiation and its impact on exoplanetary atmospheres, lev…
crossref
E. Gatuzz, S. Rukdee, S. Freund, T. Kallman 等
2026-06-01T18:45:16Z
置信度 0.70
-
crossref
Shotaro Tada, Hajime Kawahara, Yui Kawashima, Takayuki Kotani 等
2026-02-02T09:42:25Z
置信度 0.70
-
Modeling the interior of a rocky or water-rich exoplanet is fundamentally a thermodynamic closure problem. Every layer's density, temperature gradient, and phase state must follow from an equation of state (EoS) that stays self-consistent across the many order…
crossref
Mara Attia, Tim Lichtenberg, Ema Jungová, Mariana Sastre
2026-07-31T11:43:16Z
置信度 0.70
-
crossref
A. N. Tarasenkov
2026-06-23T17:36:18Z
置信度 0.70
-
Abstract This study investigates the thermal stability and absorption of metal oxide clusters in exoplanetary atmospheres. Utilizing our thermochemical data, we analyze eight distinct cluster families: magnesium oxide (MgO), silicon monoxide (SiO), titanium mo…
crossref
Deepak Bisht, Christiane Helling, David Gobrecht, Ludmila Carone 等
2026-08-14T09:36:57Z
置信度 0.70
-
The radius valley separating super-Earths from sub-Neptunes is a key diagnostic of small-planet formation and atmospheric evolution, yet its dependence on host-star properties remains debated. We address this question with a cross-matched database integrating …
crossref
Nino Greco, Alessandro Carmelo Lanzafame, Isabella Pagano, Vincenzo Drago 等
2026-07-02T16:32:44Z
置信度 0.70
-
Direct chemical synthesis and chemical evolution are conceptually different models for the prebiotic origin of RNA and other biopolymers. These models generate distinct predictions and motivate different experimental approaches. Here, we compare these two mode…
crossref
Kavita Matange, Vahab Rajaei, Gary Schuster, Nicholas Hud 等
2026-01-11T20:08:07Z
置信度 0.70
-
Abstract Accurate exoplanet mass--radius ($M$--$R$) relation is essential for exoplanet characterization. 
Previous studies have widely adopted empirical fits, typically in the form of piecewise power laws that require transition points to be specified…
crossref
Junda Zhou, Zhenyang Huang, haihao Shi, Jianheng Guo
2026-07-25T22:48:09Z
置信度 0.70
-
The origins of biopolymers embody a central question about the origin of life and the nature of chemical sciences. Two conceptually distinct models, direct chemical synthesis and chemical evolution, have been advanced to explain the prebiotic emergence of RNA …
crossref
Kavita Matange, Vahab Rajaei, Gary Schuster, Nicholas Hud 等
2026-01-14T13:17:37Z
置信度 0.70
-
The radius cliff is a prominent feature in the radius–occurrence distribution of close-in exoplanets, yet its physical origin remains uncertain. Understanding this feature is crucial for constraining the formation and evolutionary pathways of sub-Neptune plane…
crossref
Luka Vranckx, Kaustubh Hakim, Attilio Rivoldini, Tim Van Hoolst 等
2026-07-02T16:32:44Z
置信度 0.70
-
The discovery of exoplanets has expanded rapidly over the past two decades due to large astronomical datasets produced by space missions such as NASA’s Kepler telescope. The Kepler mission continuously monitored the brightness of more than 150,000 stars, gener…
crossref
Hunter
2026-04-09T13:49:17Z
置信度 0.70
-
ABSTRACT One of the primary mission goals of the Kepler space telescope was to detect Earth-like terrestrial planets in the habitable zone around Sun-like stars. These planets are at the detection limit, where the Kepler detection and vetting pipeline produced…
crossref
Jakob Robnik, Uroš Seljak, Jon M Jenkins, Steve Bryson
2026-03-18T14:36:10Z
置信度 0.70
-
Context . Detecting the tiny Doppler shifts induced by Earth-mass planets in stellar radial-velocity measurements remains extremely challenging due to stellar activity. Despite substantial progress in statistical and machine-learning techniques, many deep-lear…
crossref
Isidro Gómez-Vargas, Xavier Dumusque, Yinan Zhao, Khaled Al Moulla 等
2026-06-22T18:45:21Z
置信度 0.70
-
Context . With the development of ever-improving telescopes capable of observing exoplanet atmospheres in greater detail and number, there is a growing demand for enhanced three-dimensional climate models to support and help interpret observational data from s…
crossref
Alexander Plaschzug, Amit Reza, Ludmila Carone, Sebastian Gernjak 等
2026-01-05T19:41:52Z
置信度 0.70
-
Abstract Secondary eclipse observations are a powerful way to investigate whether or not a rocky exoplanet hosts an atmosphere, as an atmospheric presence would transport heat to the nightside and render the dayside colder than anticipated. The interpretation …
crossref
Christopher Monaghan, Björn Benneke, Nicholas J. Connors, Louis-Philippe Coulombe 等
2026-04-29T07:35:47Z
置信度 0.70
-
The subsurface oceans of icy moons, expected to retain appreciable concentrations of ammonia, are of significant interest to astrobiology. On Earth, ammonia is released in large quantities, primarily through anthropogenic activities. Ammonia is toxic to many f…
pubmed
Hopton CM, Nienow P, Cockell CS
2025 Jun 4
置信度 0.82
-
The human gut is one of the most densely populated microbial environments, home to trillions of microorganisms that live in harmony with the body. These microbes help with digestion and play key roles in maintaining a balanced immune system and protecting us f…
pubmed
Deshpande SP, Sujith S, Jobby R, Rajasekharan SK 等
2025
置信度 0.82
-
In this study, we report for the first time an exploration of the physicochemical characteristics and the prokaryotic diversity of three different types of microbial mats from karstic habitats located in Sisal, Progreso and Ría Lagartos, in the Yucatan Pe…
pubmed
Cadena S, Teutli-Hernández C, Herrera-Silveira JA, Aguirre-Macedo ML 等
2025
置信度 0.82
-
Deepening the genetic mechanisms underlying Normal Hearing Function (NHF) has proven challenging, despite extensive efforts through Genome-Wide Association Studies (GWAS).
pubmed
Santin A, Pianigiani G, Gialluisi A, Pecori A 等
2025
置信度 0.82
-
The act of fixing inorganic carbon into the biosphere is largely facilitated by one enzyme, Rubisco. Beyond well-studied plants and cyanobacteria, many bacteria use Rubisco for chemolithoautotrophy in extreme environments on Earth. Here, we characterized the d…
pubmed
Harrison K, Rapp JZ, Jaffe AL, Deming JW 等
2025 Jun 18
置信度 0.82
-
Helicobacter pylori is a stomach-dwelling bacterium with a crude global prevalence of nearly 45% in adults and 35% in children and adolescents. Chronic H. pylori infection and the resulting inflammation are major causes of gastritis, peptic ulcer disease and g…
pubmed
Patil S, Yu S, Jobby R, Ravichandran V 等
2025
置信度 0.82
-
pubmed
Siqueira-Batista R, Gómez F
2025
置信度 0.82
-
Metallosphaera sedula is a thermoacidophilic archaeon that obtains all of its energy for growth from aerobic respiration and oxidative phosphorylation at the expense of selected organic and inorganic sources of electrons. Initial velocities for the oxidation o…
pubmed
Blake RC 2nd, Painter RG, Pham N, Griswold O 等
2025
置信度 0.82
-
Studying the survival of terrestrial microorganisms under Martian conditions, particularly in the presence of perchlorates, provides crucial insights for astrobiology. This research investigates the resilience of the extremophile black fungus Rhinocladiella si…
pubmed
Dos Santos A, Schultz J, Souza FO, Ribeiro LR 等
2025
置信度 0.82
-
The evolution from unicellular to multicellular organisms facilitates further phenotypic innovations, notably cellular differentiation. Multiple research groups have shown that, in the laboratory, simple, obligate multicellularity can evolve from a unicellular…
pubmed
Chen ICK, Khatri S, Herron MD, Rosenzweig F
2025
置信度 0.82
-
α-Keto acids, such as pyruvate and glyoxylate, may have been critical in generating reaction networks at the origins of life due to their facile carbon-carbon bond formation and their hydrolytic stability. However, demonstrated prebiotic sources of these…
pubmed
Ter-Ovanessian LMP, Ryan KL, Shaarda J, Stubbs RT 等
2025
置信度 0.82
-
A Gram-positive coccus-shaped bacterium, which could not be identified by classical determinative bacteriology approaches, was isolated from the liver of two pigs in the United Kingdom. Initial testing based on cellular morphology and biochemical characteristi…
pubmed
Kirchner MJ, Loy D, Williamson S, Whatmore AM
2025 May
置信度 0.82
-
Mass spectrometry is one of the most effective analytical methods for unknown compound identification. By comparing observed m / z spectra with a database of experimentally determined spectra, this process identifies compound(s) in any given sample. Unknown sa…
pubmed
Brown SM, Allgair E, Kryštůfek R
2025
置信度 0.82
-
Fully characterizing subtle differences in biologically important particles-including peptides, proteins, protein complexes, exosomes, viruses, organelles, and cells-is essential, as any alteration can impact their function. Detailed bioparticle characterizati…
pubmed
Rasel AKMFK, Ristich EP, Hayes MA, Seyler SL
2025
置信度 0.82
-
Materials in low Earth orbit (LEO) face radiation, atomic oxygen erosion, and extreme temperature fluctuations, which can severely compromise their structural and functional integrity. Developing lightweight, multifunctional materials capable of withstanding t…
pubmed
Cordero RJB, de Groh KK, Dragotakes Q, Singla S 等
2025 May 6
置信度 0.82
-
Meromictic lakes, with their stratified water columns, are modern analogs for ancient euxinic (anoxic and sulfidic) oceans, where anaerobic sulfur-oxidizing purple and green sulfur bacteria (PSB and GSB) dominated as primary producers. Recent studies suggest a…
pubmed
Varona NS, Wallace BA, Bosco-Santos A, Mullinax J 等
2025 Apr 26
置信度 0.82
-
As we prepare for a future first mission to Mars with a human crew, the United States, under the Outer Space Treaty of 1967, has an obligation to protect against harmful contamination of the red planet and to protect the Earth from the potential harmful effect…
pubmed
Siegel B, Spry JA, Seasly E, Benardini JN
2025
置信度 0.82
-
We report the draft genome sequence of a member of a potentially novel genus of Rubrobacteraceae isolated from Golden Dome Cave in Lava Beds National Monument. Members of this family are known to inhabit thermophilic environments. The metagenome-assembled geno…
pubmed
Maggiori C, John Z, Bower DM, Millan M 等
2025
置信度 0.82
-
Ancient Mars had surface liquid water and a dense carbon dioxide (CO 2 )-rich atmosphere. Such an atmosphere would interact with crustal rocks, potentially leaving a mineralogical record of its presence. We analyzed the composition of an 89-meter stratigraphic…
pubmed
Tutolo BM, Hausrath EM, Kite ES, Rampe EB 等
2025 Apr 18
置信度 0.82
-
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…
pubmed
Cassaro A, Pacelli C, Fanelli G, Baqué M 等
2025
置信度 0.82
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Micro/nanofabrication techniques have revolutionized modern photonics and electronics. However, conventional methods remain incompatible with living organisms due to inherent constraints including nonconformal coating, radiation damage, and toxic solvent requi…
pubmed
Yang Z, Wu S, Zhao K, Zhao D 等
2025
置信度 0.82
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Heterogeneous distribution of PSI and PSII in thick grana in shade chloroplasts is argued to hinder spillover of chlorophyll excitations from PSII to PSI. To examine this dogma, we measured fluorescence induction at 77 K at 690 nm (PSII) and 760&…
pubmed
Terashima I, Oguchi R, Atsuzawa K, Kaneko Y 等
2025 Mar 31
置信度 0.82
-
The impact of space radiation on health (SRHE) is extensive and significantly influences public health and space operations, making it essential to analyze global collaboration networks and track developmental trends over the last decade. However, bibliometric…
pubmed
Tan J, Zhou Z, Zheng H, Li Y 等
2025
置信度 0.82
-
The search for extraterrestrial life hinges on identifying biosignatures, often focusing on gaseous metabolic byproducts as indicators. However, most such biosignatures require assuming specific metabolic processes. It is widely recognized that life on other p…
pubmed
Goyal A, Tikhonov M
2025
置信度 0.82
-
Recent renewed interest regarding the possibility of life in the Venusian clouds has led to new studies on organic chemistry in concentrated sulfuric acid. However, life requires complex genetic polymers for biological function. Therefore, finding suitable can…
pubmed
Petkowski JJ, Seager S, Seager MD, Bains W 等
2025 Mar 28
置信度 0.82
-
Venus has become a target of astrobiological interest because it is physically accessible to direct exploration, unlike exoplanets. So far this interest has been motivated not by the explicit expectation of finding life but rather by a desire to understand the…
pubmed
Duzdevich D, Nisler C, Petkowski JJ, Bains W 等
2025
置信度 0.82
-
There is a crucial need to identify reliable imprints of microbe-mineral interactions to quantify the contribution of microorganisms to chemical weathering and detect traces of life in the geological record. Yet conventional methods based on qualitative descri…
pubmed
Stigliano L, Benzerara K, Ackerer P, Menguy N 等
2025
置信度 0.82
-
α-hydroxy acids (αHAs), simple and prebiotically plausible organic monomers, were likely present in various environments on and off Earth and could have played a role in directing the emergence of the first homochiral living systems. Some αHA…
pubmed
Chen C, Yi R, Igisu M, Afrin R 等
2025 Mar 25
置信度 0.82
-
Methanogenic archaea were likely among the earliest organisms to populate the Earth, perhaps contributing to the Archaean greenhouse effect; they are also widely discussed as analogues to any potential life on Mars. However, fossil evidence of archaea has been…
pubmed
Huld S, McMahon S, Willman S, Neubeck A
2025 Mar-Apr
置信度 0.82
-
The chemical cycles carried out by bacteria and archaea living in coastal sediments are vital aspects of benthic ecology. These ecosystems are subject to physical disruption, which may allow for increased respiration and complex carbon consumption-impacting ch…
pubmed
Lindsay MR, D'Angelo T, Goodell E, Munson-McGee JH 等
2025 Jan 2
置信度 0.82
-
The intense debate about the presence of methane in the martian atmosphere has stimulated the study of methanogenic species that are adapted to terrestrial habitats that resemble martian environments. We examined the environmental conditions, energy sources, a…
pubmed
Butturini A, Benaiges-Fernandez R, Fors O, García-Castellanos D 等
2025
置信度 0.82
-
Planets are often covered with thin cracked shells. From mud films to lithospheres of rock or ice, fracture networks form two-dimensional (2D) tessellations of convex polygons whose geometry encodes their genesis. Here, we chart the geometry of 2D fracture mos…
pubmed
Silver S, Regős K, Jerolmack DJ, Domokos G
2025
置信度 0.82
-
Space habitation provides unique challenges in built environments isolated from Earth. We produced a 3D map of the microbes and metabolites throughout the United States Orbital Segment (USOS) of the International Space Station (ISS) with 803 samples collected …
pubmed
Salido RA, Zhao HN, McDonald D, Mannochio-Russo H 等
2025 Apr 3
置信度 0.82
-
Digitate siliceous sinter deposits are common in geothermal environments. They form via evaporation and precipitation of cooling silica-rich fluids and passive microbial templating. Increasing interest in these "finger-like" microstromatolitic sinters is relat…
pubmed
Millan M, Campbell KA, Sriaporn C, Handley KM 等
2025
置信度 0.82
-
Brines, potentially formed by the deliquescence and freezing point depression of highly hygroscopic salts, such as perchlorates (ClO 4 - ), may allow for the spatial and temporal stability of liquid water on present-day Mars. It is therefore of great interest …
pubmed
Kloss LDF, Doellinger J, Gries A, Soler E 等
2025 Feb 27
置信度 0.82
-
Understanding the catalytic role of cosmic mineral surfaces is crucial for elucidating the chemical evolution needed for the emergence of life on Earth and other planetary systems. In this study, the catalytic role of silicate forsterite (Mg 2 SiO 4 ) surfaces…
pubmed
Bancone N, Pantaleone S, Ugliengo P, Rimola A 等
2025 Feb 20
置信度 0.82
-
Few halophilic strains have been examined in detail for their culturability and metabolic activity at subzero temperatures, within the ice matrix, over the longer term. Here, we examine three Arctic strains with varied salinity tolerances: Colwellia psychreryt…
pubmed
Ewert M, Nunn BL, Firth E, Junge K
2025
置信度 0.82
-
We employed data from the Spitzer Space Telescope to investigate the presence of the aromatic amino acids tyrosine and phenylalanine in the interstellar gas of the young star cluster IC 348. Our analysis revealed emission lines in the observed spectrum that cl…
pubmed
Iglesias-Groth S, Marín Dobrincic M, Pérez Garrido A, Gutierrez C
2025 Jan 26
置信度 0.82
-
In the search for life on Mars, evaluating the biogenicity of morphological structures may be important, as they can provide a primary independent line of evidence for past life and can be used to target areas to focus further analyses. However, our experience…
pubmed
Hirsch S, Tan JS, Hickman-Lewis K, Sephton MA 等
2025
置信度 0.82
-
Organic matter in meteorites reveals clues about early Solar System chemistry and the origin of molecules important to life, but terrestrial exposure complicates interpretation. Samples returned from the B-type asteroid Bennu by the Origins, Spectral Interpret…
pubmed
Glavin DP, Dworkin JP, Alexander CMO, Aponte JC 等
2025
置信度 0.82
-
Dr. Laurie Barge is a Research Scientist in Astrobiology at the NASA Jet Propulsion Laboratory, California Institute of Technology.
pubmed
2025
置信度 0.82
-
The dominant organisms in modern oxic ecosystems rely on respiratory quinones with high redox potential (HPQs) for electron transport in aerobic respiration and photosynthesis. The diversification of quinones, from low redox potential (LPQ) in anaerobes to HPQ…
pubmed
Elling FJ, Pierrel F, Chobert SC, Abby SS 等
2025
置信度 0.82
-
This work examines the impact of high temperatures from celestial shock events on the stability of sulfates found on Mars (gypsum) and those expected to be present (syngenite and görgeyite). Raman spectroscopy, a cutting-edge technique in space exploratio…
pubmed
Huidobro J, Aramendia J, García-Florentino C, Coloma L 等
2025
置信度 0.82
-
Hydrogen sulfide and carbon dioxide are widespread substances in epithermal endogenous fluids. When the gas of one of these substances is filtered through the condensate of the other, abiogenic hydrocarbon synthesis can result. The direction of such a synthesi…
pubmed
Malyshev A, Malysheva L, Aleksandr Malyshev, Lidiia Malysheva
2025
置信度 0.82
-
pubmed
2025
置信度 0.82
-
Chondritic meteorites can be appropriate substrates for the colonization of terrestrial microorganisms. However, determining whether organic compounds are intrinsic to the meteorite or come from external (terrestrial) contamination is still controversial. This…
pubmed
Pinto GA, Lezcano MÁ, Sanchéz-García L, Martínez R 等
2025
置信度 0.82
-
Serpentinization, the collective set of geochemical reactions initiated by the hydration of ultramafic rock, has occurred throughout Earth history and is inferred to occur on several planets and moons in our solar system. These reactions generate highly reduci…
pubmed
Colman DR, Templeton AS, Spear JR, Boyd ES
2025 Jan 2
置信度 0.82
-
The notion of liquid water beneath the ice layer at the south polar layered deposits (SPLD) of Mars is an interesting possibility given the implications for astrobiology and possible human habitation. A body of liquid water located at a depth of 1.5 km has bee…
pubmed
Egea-González I, McKay CP, Hallsworth JE, Jiménez-Díaz A 等
2025
置信度 0.82
-
Since the discovery of perchlorates in martian soils, astrobiologists have been curious if and how life could survive in these low-water, high-salt environments. Perchlorates induce chaotropic and oxidative stress but can also confer increased cold tolerance i…
pubmed
Gentilhomme AS, Dhakar K, Timmins-Schiffman E, Chaw M 等
2025
置信度 0.82
-
Serpentinization, the reaction of water with ultramafic rock, produces reduced, hyperalkaline, and H 2 -rich fluids that support a variety of hydrogenotrophic microbial metabolisms. Previous work indicates the occurrence of methanogenesis in fluids from the ac…
pubmed
Howells AEG, Quinn LM, Silva MG, Akiyama K 等
2024
置信度 0.82
-
Understanding the adaptation mechanisms of extremophiles to extreme environments is fundamental to predicting organisms' capacity to survive in space and plan future space exploration missions. This study explores the physiological and metabolic adaptations of…
pubmed
Muscari Tomajoli MT, Di Donato P, Della Corte V, Covone G 等
2025
置信度 0.82
-
Optical chirality is a fundamental property of light that plays a crucial role in chiroptical spectroscopy, analytical chemistry, spin photonics, and astrobiology. However, giant optical chirality at the wavelength beyond 15 μm remains untapped, w…
pubmed
Wang H, Chen S, Liu X, Yu Y 等
2025
置信度 0.82
-
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…
pubmed
Gonzalez-Henao S, Schrenk MO
2025
置信度 0.82
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This study examines a natural consortium of halophilic archaea, comprising xylan-degrading Halorhabdus sp. SVX81, consortium cohabitant Haloferax volcanii SVX82 (formerly H. lucentense SVX82), and its DPANN ectosymbiont Ca . Nanohalococcus occultus SVXNc.…
pubmed
Reva ON, La Cono V, Marturano L, Crisafi F 等
2025 Feb 21
置信度 0.82
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Heterocycle compounds that contain nitrogen play important roles in astrobiology and terrestrial biology as a building block of nucleic acid. Nitrogen inclusion in polycyclic aromatic hydrocarbons (PAHs) is also proposed to account for the emission band at 6.2…
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Karri VL, Onaka T, Naganathappa M
2025
置信度 0.82
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The exploration of our solar system for microbial extraterrestrial life is the primary goal of several space agencies. Mars has attracted substantial attention owing to its Earth-like geological history and potential niches for microbial life. This study evalu…
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Dos Santos A, Schultz J, Dal'Rio I, Molodon F 等
2025
置信度 0.82
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Microbial volatile organic compounds (MVOCs) are diverse molecules produced by microorganisms, ranging from mere waste byproducts to important signalling molecules. While the interest in MVOCs has been increasing steadily, there is a significant gap in our kno…
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Salinas-García MÁ, Fernbach J, Rinnan R, Priemé A
2025
置信度 0.82
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The Photochemistry on the Space Station (PSS) experiment was part of the European Space Agency's EXPOSE-R2 mission and was conducted on the International Space Station from 2014 to 2016. The PSS experiment investigated the properties of montmorillonite clay as…
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Wipf S, Mabey P, Urso RG, Wolf S 等
2025
置信度 0.82
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Rhodothalassium (Rts.) salexigens is a halophilic purple nonsulfur bacterium and the sole species in the genus Rhodothalassium, which is itself the sole genus in the family Rhodothalassiaceae and sole family in the order Rhodothalassiales (class Alphaproteobac…
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Madigan MT, Bender KS, Parenteau MN, Kimura Y 等
2025 Jan 25
置信度 0.82
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This study investigates the resilience of the unicellular green microalga Chlorella vulgaris to extreme atmospheric conditions simulating those of Mars, Jupiter, and Titan. Using Earth as a control, experiments were conducted under autotrophic and mixotrophic …
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Likai A, Papazi A, Kotzabasis K
2025
置信度 0.82
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Using computational methods, we examine if the presence of H 2 S can tame the unruly formose reaction by generating a free energy map of the reaction thermodynamics and kinetics of sulfur analogs within the core cycle. With mercaptoaldehyde as the linchpin C 2…
pubmed
Kua J, Peña MT, Cotter SN, Leca J
2024 Dec 24
置信度 0.82
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Extremophiles are of significant scientific interest due to their unique adaptation to harsh environmental conditions and their potential for diverse biotechnological applications. Among these extremophiles, filamentous fungi adapted to high-salt environments …
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Yovchevska L, Gocheva Y, Stoyancheva G, Miteva-Staleva J 等
2025 Jan 15
置信度 0.82
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We review the current state of understanding of Ceres as it relates to planetary protection policy for future landed missions, including for sample return, to the dwarf planet. The Dawn mission found Ceres to be an intriguing target for a mission, with evidenc…
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Castillo-Rogez J, Quick LC, Neveu M, Scully J 等
2025
置信度 0.82
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Meteoritic impacts on planetary surfaces deliver a significant amount of energy that can produce prebiotic organic compounds such as cyanides, which may be a key step to the formation of biomolecules. To study the chemical processes of impact-induced organic s…
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Farcy B, Ni Z, Arevalo R Jr, Eller M 等
2025
置信度 0.82
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Waste heat production represents an inevitable consequence of energy conversion as per the laws of thermodynamics. Based on this fact, by using simple theoretical models, we analyze constraints on the habitability of Earth-like terrestrial planets hosting puta…
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Balbi A, Lingam M, Amedeo Balbi, Manasvi Lingam
2025
置信度 0.82
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Mars, with its ancient history of long-lived habitable environments, continues to captivate researchers exploring the potential for extant life. This study investigates the biosignature potential of Martian methane by assessing the viability of hydrogenotrophi…
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Harris RL, Schuerger AC
2025
置信度 0.82
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Exploration missions to Mars rely on landers or rovers to perform multiple analyses over geographically small sampling regions, while landing site selection is done using large-scale but low-resolution remote-sensing data. Utilizing Earth analog environments t…
pubmed
Tan G, LeCates CN, Simpson A, Holtzen S 等
2025
置信度 0.82