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While fields like Artificial Life have made huge strides in quantifying the mechanisms that distinguish living systems from non-living ones, particular mechanisms remain difficult to reproduce in silico. Known as open-endedness, we've been successful in findin…
datacite
Adams, Alyssa M, Jacopin, Eliott, Gagrani, Praful, Witkowski, Olaf
2024
置信度 0.66
Biological Physics (physics.bio-ph)FOS: Physical sciencesFOS: Physical sciences
-
Computation, if treated as a set of physical processes that act on information represented by states of matter, encompasses biological systems, digital systems, and other constructs, and may be a fundamental measure of living systems. The opportunity for biolo…
datacite
Scharf, Caleb, Witkowski, Olaf
2023
置信度 0.66
Earth and Planetary Astrophysics (astro-ph.EP)Solar and Stellar Astrophysics (astro-ph.SR)Biological Physics (physics.bio-ph)FOS: Physical sciencesFOS: Physical sciences
-
AstroChat Dataset Description Purpose and Scope The AstroChat dataset is a collection of 901 dialogues, synthetically generated, tailored to the specific domain of Astronautics / Space Mission Engineering. This dataset will be frequently updated following feed…
datacite
Patrick Fleith
2024
置信度 0.66
-
AstroChat Dataset Description Purpose and Scope The AstroChat dataset is a collection of 901 dialogues, synthetically generated, tailored to the specific domain of Astronautics / Space Mission Engineering. This dataset will be frequently updated following feed…
datacite
Patrick Fleith
2024
置信度 0.66
-
Figure 3. Illustrations used to open the four themed sessions during the 15th International Symposium on Tardigrada: A – Biodiversity, Taxonomy, Biogeography, Phylogeny & Evolution; B – Ecology, Life Histories & Behaviour; C – Morphology, Anatomy, Reproduction…
datacite
Michalczyk, Łukasz, Gross, Vladimir, Arakawa, Kazuharu
2024
置信度 0.66
BiodiversityTaxonomy
-
Figure 3. Illustrations used to open the four themed sessions during the 15th International Symposium on Tardigrada: A – Biodiversity, Taxonomy, Biogeography, Phylogeny & Evolution; B – Ecology, Life Histories & Behaviour; C – Morphology, Anatomy, Reproduction…
datacite
Michalczyk, Łukasz, Gross, Vladimir, Arakawa, Kazuharu
2024
置信度 0.66
BiodiversityTaxonomy
-
The Astro2020 report outlines numerous recommendations that could significantly advance technosignature science. Technosignatures refer to any observable manifestations of extraterrestrial technology, and the search for technosignatures is part of the continuu…
datacite
Haqq-Misra, Jacob, Sheikh, Sofia, Lingam, Manasvi, Kopparapu, Ravi 等
2022
置信度 0.66
Instrumentation and Methods for Astrophysics (astro-ph.IM)Earth and Planetary Astrophysics (astro-ph.EP)Popular Physics (physics.pop-ph)FOS: Physical sciencesFOS: Physical sciences
-
Computation, if treated as a set of physical processes that act on information represented by states of matter, encompasses biological systems, digital systems, and other constructs and may be a fundamental measure of living systems. The opportunity for biolog…
pubmed
Caleb Scharf, Olaf Witkowski, Scharf C, Witkowski O
2024
置信度 0.82
-
Enceladus is of interest to astrobiology and the search for life since it is thought to host active hydrothermal activity and habitable conditions. It is also possible that the organics detected on Enceladus may indicate an active prebiotic or biotic system; i…
pubmed
Laura M. Barge, Gregory P. Fournier, Barge LM, Fournier GP
2024
置信度 0.82
-
All known life on Earth inhabits environments that maintain conditions between certain extremes of temperature, chemical composition, energy availability, and so on (Chapter 6). Life may have emerged in similar environments elsewhere in the Solar System and be…
pubmed
M.J. Styczinski, Z.S. Cooper, D.M. Glaser, O. Lehmer 等
2024
置信度 0.82
-
Abstract To deeply explore the solar system, it will be necessary to become less reliant on the resupply tether to Earth. An approach explored in this study is to convert hydrocarbons in asteroids to human edible food. After comparing the experimental pyrolysi…
crossref
Eric Pilles, Richard I. Nicklin, Joshua M. Pearce
2024-10-03T07:05:16Z
置信度 0.70
-
Planetary protection is a principle in the design of interplanetary missions that aims to prevent biological cross contamination between the target body and Earth. Planetary protection policies and procedures have worked to mitigate forward contamination (from…
pubmed
Jordan McKaig, Tristan Caro, Dana Burton, Frank Tavares 等
2024
置信度 0.82
-
The perception that life on other planets would be, problematic for religious people, and indeed for religion itself, is a longstanding one. It is partially rooted in fact: astrobiological speculations have, on occasion, engendered religious controversies. His…
crossref
Richard Playford, Stephen Bullivant, Janet Siefert
2024-01-23T08:08:45Z
置信度 0.70
-
Venus is Earth's sister planet, with similar mass and density but an uninhabitably hot surface, an atmosphere with a water activity 50–100 times lower than anywhere on Earths' surface, and clouds believed to be made of concentrated sulfuric acid. These feature…
europepmc
William Bains, Janusz J. Petkowski, Sara Seager
2023-06-12T11:10:13Z
置信度 0.80
-
Organisms act stochastically. A not uncommon view in the ecological literature is that this is mainly due to the observer having insufficient information or a stochastic environment—and not partly because organisms themselves respond with inherent unpredictabi…
europepmc
Joseph W. Bull
2024
置信度 0.80
-
Abstract Astrobiologists are engaged in the search for signs of extraterrestrial life in all forms, known as biosignatures, as well as specific signs of extraterrestrial technology, known as technosignatures. The search for technosignatures and biosignatures a…
crossref
Jacob Haqq-Misra
2022-04-19T05:33:23Z
置信度 0.70
-
Abstract Life as we know it requires the presence of liquid water and the availability of nutrients, which are mainly based on the elements C, H, N, O, P and S (CHNOPS) and trace metal micronutrients. We aim to understand the presence of these nutrients within…
crossref
Oliver Herbort, Peter Woitke, Christiane Helling, Aubrey Lea Zerkle
2024-04-19T08:21:37Z
置信度 0.70
-
Evidence of stable liquid water oceans beneath the ice crust of moons within the Solar System is of great interest for astrobiology. In particular, subglacial oceans may present hydrothermal processes in their abysses, similarly to terrestrial hydrothermal ven…
pubmed
Lorenzo Carré, Ghislaine Henneke, Etienne Henry, Didier Flament 等
2023-01-09T12:41:15Z
置信度 0.82
-
crossref
Deepnil Ray, Ananya Noronha
2024-11-25T17:44:35Z
置信度 0.70
-
Abstract In this comprehensive review, Acidithiobacillus ferrooxidans , an acidophilic bacterium, has been thoroughly examined as a plausible analogue for microbial life in Venus's lower cloud layer. Given its ability to adapt to extreme conditions, including …
crossref
Grzegorz Piotr Slowik, Renee Richer, Aleksandra Zofia Stryjska, Pawel Dabrowski
2024-11-05T10:37:24Z
置信度 0.70
-
Abstract In this study, we surveyed a total of 245 people about unidentified anomalous phenomena (UAP), 93 who directly witnessed UAP. Paying special attention to the psychological impact of UAP, our study survey covered different aspects, including opinions o…
crossref
Gabriel G. De la Torre
2023-12-11T10:11:01Z
置信度 0.70
-
Abstract Amino acids are essential for the synthesis of protein. Amino acids contain both amine (R–NH 2 ) and carboxylic acid (R–COOH) functional groups, which help to understand the possible formation mechanism of life in the universe. Among the 20 types of a…
crossref
Arijit Manna, Sabyasachi Pal
2024-05-09T09:19:00Z
置信度 0.70
-
The recent and still controversial claim of phosphine detection in the venusian atmosphere has reignited consideration of whether microbial life might reside in its cloud layers. If microbial life were to exist within Venus' cloud deck, these microorganisms wo…
europepmc
Dirk Schulze-Makuch, Louis N. Irwin, Troy Irwin
2023-10-18T17:03:00Z
置信度 0.80
-
How did life originate? Is there life beyond Earth? What is the future of life on our planet? The rapidly growing multidisciplinary field of astrobiology deals with life's big questions. This text harnesses the authors' two decades' experience of teaching accl…
crossref
Manasvi Lingam, Amedeo Balbi
2024-11-21T19:07:58Z
置信度 0.70
-
crossref
Fernando de Sousa Mello, Amâncio César Santos Friaça
2024-03-12T05:35:03Z
置信度 0.70
-
We report a simple, inexpensive design of a fluorescence microscope with light-emitting diode (LED) excitation for detection of labeled and unlabeled microorganisms in mineral substrates. The use of deep UV (DUV) excitation with visible emission requires no sp…
europepmc
Noel Case, Nikki Johnston, Jay Nadeau
2024
置信度 0.80
-
The materials that form the diverse chemicals and structures on Earth—from mountains to oceans and biological organisms—all originated in a universe dominated by hydrogen and helium. Over billions of years, the composition and structure of the galaxies and sta…
pubmed
Micah J. Schaible, Zoe R. Todd, Eryn M. Cangi, Chester E. Harman 等
2024
置信度 0.82
-
Abstract The question of whether extraterrestrials exist has driven both the search for extraterrestrial intelligence (SETI) and some attempts of messaging to extraterrestrial intelligence (METI). Nevertheless, no data-driven or theory-based behavioural policy…
crossref
Ilan Fischer, Shacked Avrashi
2024-10-17T10:53:00Z
置信度 0.70
-
Pigments serve a multitude of functions in biology including light harvesting for photosynthesis, radiation protection, membrane support, and defense. The ubiquity of pigments—especially within extremophiles found in high-radiation, high-salinity, and dry envi…
pubmed
Laura E. Rodriguez, Jessica M. Weber, Laura M. Barge, Rodriguez LE 等
2024
置信度 0.82
-
Ribose is the defining sugar in ribonucleic acid (RNA), which is often proposed to have carried the genetic information and catalyzed the biological reactions of the first life on Earth. Thus, abiological processes that yield ribose under prebiotic conditions …
europepmc
Chinatsu Ono, Sako Sunami, Yuka Ishii, Hyo-Joong Kim 等
2024
置信度 0.80
-
Ultraviolet (UV) light is likely to have played important roles in surficial origins of life scenarios, potentially as a productive source of energy and molecular activation, as a selective means to remove unwanted side products, or as a destructive mechanism …
europepmc
Zoe R. Todd, Gabriella G. Lozano, Corinna L. Kufner, Sukrit Ranjan 等
2024
置信度 0.80
-
Abstract Exopsychology is a sub-discipline of psychology concerned with how humans contemplateextraterrestrials as well as forming hypothesis about how these beings may think, feel and behave. While researching the former is undoubtedly a subject for empirical…
crossref
Niklas Alexander Döbler, Claus-Christian Carbon
2024-12-10T09:12:56Z
置信度 0.70
-
europepmc
Sanjay S. Limaye, James B. Garvin
2024
置信度 0.80
-
An enduring question in astrobiology is how we assess extraterrestrial environments as being suitable for life. We suggest that the most reliable assessments of the habitability of extraterrestrial environments are made with respect to the empirically determin…
pubmed
Charles S. Cockell, John E. Hallsworth, Sean McMahon, Stephen R. Kane 等
2024
置信度 0.82
-
Abstract Determining a reliable method to detect life on another planet is an essential first step in the pursuit of discovering extraterrestrial life. Polyhydroxyalkanoates (PHAs), bioplastic polymers created by microorganisms, are strong candidates for defin…
crossref
Justin Lorence Wang, Stephanie Hikari Schubert, Nicholas Brady Dragone, Sydney Marie Ciechanowicz 等
2024-12-10T09:12:48Z
置信度 0.70
-
The work considers the modelling of nearby supernova (SN) effects on Earth's biosphere via cosmic rays (CRs) accelerated by shockwaves. The rise of the radiation background on Earth resulted from the external irradiation by CR high-energy particles and interna…
europepmc
A.A. Shchepkin, G.I. Vasilyev, V.M. Ostryakov, A.K. Pavlov
2024
置信度 0.80
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
Scientists have long speculated about the potential habitability of Venus, not at the 700K surface, but in the cloud layers located at 48–60 km altitudes, where temperatures match those found on Earth's surface. However, the prevailing belief has been that Ven…
europepmc
Maxwell D. Seager, Sara Seager, William Bains, Janusz J. Petkowski
2024
置信度 0.80
-
Most of the chemical and physical interactions of interest to the astrobiology community are influenced by the mineralogy of the systems under consideration. Often, this mineralogy occurs in sediment or sediment-like aqueous microenvironments in which the earl…
europepmc
Aaron Pital, Megan Bromley, Max Dorn, Jungkyu Kim 等
2024
置信度 0.80
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
The search for life beyond Earth necessitates a rigorous and comprehensive examination of biosignatures, the types of observable imprints that life produces. These imprints and our ability to detect them with advanced instrumentation hold the key to our unders…
pubmed
Luoth Chou, Natalie Grefenstette, Schuyler Borges, Tristan Caro 等
2024
置信度 0.82
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
crossref
2024-01-22T16:02:16Z
置信度 0.70
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
Astrobiology, an interdisciplinary field, is gaining attention from astronomers. While Astronomy and Biology are well-recognized research fields in Japan, there have been no previous surveys to gauge public awareness of Astrobiology as a new research field. Th…
crossref
Nobuhiko Kusakabe
2024-10-14T21:20:20Z
置信度 0.70
-
Abstract Stars with about 45 to 80% the mass of the Sun, so-called K dwarf stars, have previously been proposed as optimal host stars in the search for habitable extrasolar worlds. These stars are abundant, have stable luminosities over billions of years longe…
crossref
Iva Vilović, Dirk Schulze-Makuch, René Heller
2024-09-18T09:53:18Z
置信度 0.70
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
Abstract Spacecraft can carry microbial contaminants from spacecraft assembly facilities (SAFs) to the cold arid surface of Mars that may confound life detection missions or disrupt native ecosystems. Dry hygroscopic sulphate and (per)chlorate salts on Mars ma…
crossref
Meris E. Carte, Fei Chen, Benton C. Clark, Mark A. Schneegurt
2024-05-13T09:16:22Z
置信度 0.70
-
Scientific ideas about the potential existence of life elsewhere in the universe are predominantly informed by knowledge about life on Earth. Over the past ∼4 billion years, life on Earth has evolved into millions of unique species. Life now inhabits ne…
pubmed
Jennifer L. Thweatt, C.E. Harman, M.N. Araújo, Jeffrey J. Marlow 等
2024
置信度 0.82
-
Abstract Of all species on Earth, only one – Homo sapiens – has developed a technological civilization. As a consequence, estimates of the number of similar civilizations beyond Earth often treat the emergence of human-like intelligence or ‘sophonce’ as an evo…
crossref
Giovanni Mussini
2023-12-01T07:01:00Z
置信度 0.70
-
While Earth contains the only known example of life in the universe, it is possible that life elsewhere is fundamentally different from what we are familiar with. There is an increased recognition in the astrobiology community that the search for life should s…
pubmed
Natalie Grefenstette, Luoth Chou, Stephanie Colón-Santos, Theresa M. Fisher 等
2024
置信度 0.82
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
Science fiction has and for a long time has had a potential to reach wide public and influence its perception of various matters. It may, therefore, serve as a good material for outreach purposes to get actual science across to the public. In a time when the p…
crossref
Julie Nekola Nováková
2020-10-08T16:13:32Z
置信度 0.70
-
Recent ground-based observations of Venus have detected a single spectral feature consistent with phosphine (PH 3 ) in the middle atmosphere, a gas which has been suggested as a biosignature on rocky planets. The presence of PH 3 in the oxidized atmosphere of …
europepmc
Klaudia Mráziková, Antonín Knížek, Homa Saeidfirozeh, Lukáš Petera 等
2024
置信度 0.80
-
Abstract Germline gene editing (GGE) is a controversial procedure, prohibited by most intergovernmental and scientific bodies and is not currently medically utilized. However, given circumstances where GGE would be essential for human survival, it is possible …
crossref
Konrad Szocik, Matthew MacKay, Christopher E. Mason
2024-09-18T09:53:17Z
置信度 0.70
-
How can we bring matters such as planetary formation, habitability and means for search for life in the universe closer to the general public in an enthusing way and increase science understanding, interest in STEM and critical thinking? Popular culture, espec…
crossref
Julie Nekola Novakova
2021-07-23T09:40:20Z
置信度 0.70
-
crossref
Elisabeth Hausrath
2025-03-17T14:59:06Z
置信度 0.70
-
Carotenoid pigments provide some of the most common exclusively biogenic markers on Earth, and these organic pigments may be present in extraterrestrial life. Raman spectroscopy can be used to identify carotenoids quickly and accurately through the inelastic s…
pubmed
Alexander E. O'Donnell, David K. Muirhead, Alexander T. Brasier, Enrico Capezzuoli 等
2023-11-13T10:55:05Z
置信度 0.82
-
All organisms living on Earth descended from a single, common ancestral population of cells, known as LUCA—the last universal common ancestor. Since its emergence, the diversity and complexity of life have increased dramatically. This chapter focuses on four k…
crossref
G. Ozan Bozdag, Nadia Szeinbaum, Peter L. Conlin, Kimberly Chen 等
2024-03-18T16:14:30Z
置信度 0.70
-
crossref
2024-11-22T00:07:58Z
置信度 0.70
-
crossref
Ravi Sharma, Neeraj Srivastava, Chunyu Ding, S.N.A. Jaaffrey
2024-01-04T08:21:28Z
置信度 0.70
-
The district of Perus, located in the city of São Paulo, Brazil, is renowned for its weathered granitic-pegmatitic masses, which harbor a significant number of uraniferous minerals that contribute to ionizing radiation levels up to 20 times higher than the bac…
europepmc
Bárbara Poletto, Gabriel Gonçalves Silva, Ana Carolina Souza Ramos de Carvalho, Roberta Almeida Vincenzi 等
2024
置信度 0.80
-
The possible existence of a microbial community in the venusian clouds is one of the most intriguing hypotheses in modern astrobiology. Such a community must be characterized by a high survivability potential under severe environmental conditions, the most ext…
pubmed
Oleg R. Kotsyurbenko, Vladimir N. Kompanichenko, Anatoli V. Brouchkov, Yuliya Y. Khrunyk 等
2024
置信度 0.82
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
How natural environments transition from uninhabited to inhabited is an incompletely understood question in ecology. We leverage the 2021-2023 Fagradalsfjall eruptions in Iceland as a natural experiment, tracking microbial colonization on the new lava over thr…
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
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
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
Apart from playing the well-recognized roles in the self-assembly of intracellular machinery liquid-liquid phase separation (LLPS) constitutes a hypothetical, yet compelling scenario for prebiotic compartmentalization. One challenge facing this idea is the abs…
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2026
置信度 0.80
-
Adenosine nucleotides and polyphosphates play a significant role in biochemistry, from participating in the formation of genetic material to serving as metabolic energy currency. In this study, we examine the stability and decomposition rates of adenosine phos…
europepmc
Maheen Gull, Christopher Mehta, Maria Jesus Herrero Perez, Annika Seeley 等
2025
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
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europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
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
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80