(The TQCC of Astrobiology is 8. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-06-01 to 2024-06-01.)
Oxygenation, Life, and the Planetary System during Earth's Middle History: An Overview95
Oxia Planum: The Landing Site for the ExoMars “Rosalind Franklin” Rover Mission: Geological Context and Prelanding Interpretation85
The Venusian Lower Atmosphere Haze as a Depot for Desiccated Microbial Life: A Proposed Life Cycle for Persistence of the Venusian Aerial Biosphere72
The Role of Meteorite Impacts in the Origin of Life69
Toward the RNA-World in the Interstellar Medium—Detection of Urea and Search of 2-Amino-oxazole and Simple Sugars68
Mars Extant Life: What's Next? Conference Report54
Fluvial Regimes, Morphometry, and Age of Jezero Crater Paleolake Inlet Valleys and Their Exobiological Significance for the 2020 Rover Mission Landing Site49
Phosphine on Venus Cannot Be Explained by Conventional Processes47
Venus, an Astrobiology Target43
Discriminating Abiotic and Biotic Fingerprints of Amino Acids and Fatty Acids in Ice Grains Relevant to Ocean Worlds42
Elements for the Origin of Life on Land: A Deep-Time Perspective from the Pilbara Craton of Western Australia39
Morphological and Spectral Diversity of the Clay-Bearing Unit at the ExoMars Landing Site Oxia Planum37
Catalytic Synthesis of Polyribonucleic Acid on Prebiotic Rock Glasses36
Cometary Delivery of Hydrogen Cyanide to the Early Earth34
Understanding Hypervelocity Sampling of Biosignatures in Space Missions33
Science Objectives for Flagship-Class Mission Concepts for the Search for Evidence of Life at Enceladus30
Simulating Mars Drilling Mission for Searching for Life: Ground-Truthing Lipids and Other Complex Microbial Biomarkers in the Iron-Sulfur Rich Río Tinto Analog29
Water Activities of Acid Brine Lakes Approach the Limit for Life29
Earth-like Habitable Environments in the Subsurface of Mars28
A Reconstructed Subaerial Hot Spring Field in the ∼3.5 Billion-Year-Old Dresser Formation, North Pole Dome, Pilbara Craton, Western Australia27
One-Pot Hydrogen Cyanide-Based Prebiotic Synthesis of Canonical Nucleobases and Glycine Initiated by High-Velocity Impacts on Early Earth27
Magma Ocean Evolution of the TRAPPIST-1 Planets25
Potential for Phototrophy in Venus' Clouds25
The Timing of Evolutionary Transitions Suggests Intelligent Life is Rare24
Investigating Habitability with an Integrated Rock-Climbing Robot and Astrobiology Instrument Suite23
Phosphine Generation Pathways on Rocky Planets23
BioSentinel: A Biological CubeSat for Deep Space Exploration23
Lipid Biomarker Record of the Serpentinite-Hosted Ecosystem of the Samail Ophiolite, Oman and Implications for the Search for Biosignatures on Mars23
BioSentinel: Long-Term Saccharomyces cerevisiae Preservation for a Deep Space Biosensor Mission23
Estimated Minimum Life Span of the Jezero Fluvial Delta (Mars)22
Exobiology of the Venusian Clouds: New Insights into Habitability through Terrestrial Models and Methods of Detection22
Effects of Desiccation and Freezing on Microbial Ionizing Radiation Survivability: Considerations for Mars Sample Return21
Abiotic Synthesis of Nucleoside 5′-Triphosphates with Nickel Borate and Cyclic Trimetaphosphate (CTMP)21
Fusarium oxysporumas an Opportunistic Fungal Pathogen onZinnia hybridaPlants Grown on board the International Space Station20
An Alternative Approach for Assessing Biogenicity19
When is Life a Viable Hypothesis? The Case of Venusian Phosphine19
Biosignature Analysis of Mars Soil Analogs from the Atacama Desert: Challenges and Implications for Future Missions to Mars19
Microbial Sulfur Isotope Fractionation in the Chicxulub Hydrothermal System19
Screening the Survival of Cyanobacteria Under Perchlorate Stress. Potential Implications for Mars In Situ Resource Utilization18
Rapid Radiolytic Degradation of Amino Acids in the Martian Shallow Subsurface: Implications for the Search for Extinct Life18
Determining the “Biosignature Threshold” for Life Detection on Biotic, Abiotic, or Prebiotic Worlds18
Timescales for Prebiotic Photochemistry Under Realistic Surface Ultraviolet Conditions18
Preliminary Planning for Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility (SRF)18
Final Report of the Mars Sample Return Science Planning Group 2 (MSPG2)18
Space Radiation Dosimetry at the Exposure Facility of the International Space Station for the Tanpopo Mission17
Mars Sample Return (MSR): Planning for Returned Sample Science17
Assessment of Ammonia as a Biosignature Gas in Exoplanet Atmospheres17
Assessment of Isoprene as a Possible Biosignature Gas in Exoplanets with Anoxic Atmospheres17
Phosphorus in the Clouds of Venus: Potential for Bioavailability17
Cometary Glycolaldehyde as a Source of pre-RNA Molecules16
The Complex Molecules Detector (CMOLD): A Fluidic-Based Instrument Suite to Search for (Bio)chemical Complexity on Mars and Icy Moons16
Exo-Ocean Exploration with Deep-Sea Sensor and Platform Technologies16
In Search for a Planet Better than Earth: Top Contenders for a Superhabitable World16
Bacterial Cellulose Retains Robustness but Its Synthesis Declines After Exposure to a Mars-like Environment Simulated Outside the International Space Station16
The Venus Life Equation16
Metabolomics as an Emerging Tool in the Search for Astrobiologically Relevant Biomarkers16
The Albedo of Ryugu: Evidence for a High Organic Abundance, as Inferred from the Hayabusa2 Touchdown Maneuver15
Rationale and Proposed Design for a Mars Sample Return (MSR) Science Program15
Ice Shell Structure and Composition of Ocean Worlds: Insights from Accreted Ice on Earth15
The Detection of Elemental Signatures of Microbes in Martian Mudstone Analogs Using High Spatial Resolution Laser Ablation Ionization Mass Spectrometry15
Comprehensive Search of Stable Isomers of Alanine and Alanine Precursors in Prebiotic Syntheses15
Toward Detecting Biosignatures of DNA, Lipids, and Metabolic Intermediates from Bacteria in Ice Grains Emitted by Enceladus and Europa15
Investigation of Venus Cloud Aerosol and Gas Composition Including Potential Biogenic Materials via an Aerosol-Sampling Instrument Package14
Synthesis of Phospholipids Under Plausible Prebiotic Conditions and Analogies with Phospholipid Biochemistry for Origin of Life Studies14
Microbially Induced Sedimentary Structures in Clastic Deposits: Implication for the Prospection for Fossil Life on Mars14
Habitability Models for Astrobiology14
Greenalite Nanoparticles in Alkaline Vent Plumes as Templates for the Origin of Life14
Ancient Oil as a Source of Carbonaceous Matter in 1.88-Billion-Year-Old Gunflint Stromatolites and Microfossils14
Bacterial Diversity of a High-Altitude Permafrost Thaw Pond Located on Ojos del Salado (Dry Andes, Altiplano-Atacama Region)13
Nitrogen Fixation at Early Mars13
Microgravity Affects the Level of Matrix Polysaccharide 1,3:1,4-β-Glucans in Cell Walls of Rice Shoots by Increasing the Expression Level of a Gene Involved in Their Breakdown12
Detection of Biosignatures by Capillary Electrophoresis Mass Spectrometry in the Presence of Salts Relevant to Ocean Worlds Missions12
Relevance of the Unfolded Protein Response to Spaceflight-Induced Transcriptional Reprogramming in Arabidopsis12
Planetary Protection Implementation on the Interior Exploration Using Seismic Investigations, Geodesy and Heat Transport Mission12
Atmospheric Nitrogen When Life Evolved on Earth12
Revival of Anhydrobiotic Cyanobacterium Biofilms Exposed to Space Vacuum and Prolonged Dryness: Implications for Future Missions beyond Low Earth Orbit12
ExoMars Raman Laser Spectrometer: A Tool to Semiquantify the Serpentinization Degree of Olivine-Rich Rocks on Mars12
Mass Spectrometric Fingerprints of Bacteria and Archaea for Life Detection on Icy Moons12
The AMADEE-18 Mars Analog Expedition in the Dhofar Region of Oman11
BioSentinel: A Biofluidic Nanosatellite Monitoring Microbial Growth and Activity in Deep Space11
Uninhabitable and Potentially Habitable Environments on Mars: Evidence from Meteorite ALH 8400111
Do Soluble Phosphates Direct the Formose Reaction towards Pentose Sugars?11
Are Impact Craters and Extinction Episodes Periodic? Implications for Planetary Science and Astrobiology11
Influence of Calcium Perchlorate on the Search for Organics on Mars with Tetramethylammonium Hydroxide Thermochemolysis11
Detection and Degradation of Adenosine Monophosphate in Perchlorate-Spiked Martian Regolith Analog, by Deep-Ultraviolet Spectroscopy11
Urability: A Property of Planetary Bodies That Can Support an Origin of Life11
Time-Sensitive Aspects of Mars Sample Return (MSR) Science11
Spaceflight Virology: What Do We Know about Viral Threats in the Spaceflight Environment?11
Biologically Available Chemical Energy in the Temperate but Uninhabitable Venusian Cloud Layer: What Do We Want to Know?10
Photochemical Synthesis of Ammonia and Amino Acids from Nitrous Oxide10
Scientific Value of Including an Atmospheric Sample as Part of Mars Sample Return (MSR)10
Evaluating Biosignatures for Life Detection10
Taxonomic Characterization and Microbial Activity Determination of Cold-Adapted Microbial Communities in Lava Tube Ice Caves from Lava Beds National Monument, a High-Fidelity Mars Analogue Environment10
A Cruise-Phase Microbial Survival Model for Calculating Bioburden Reductions on Past or Future Spacecraft Throughout Their Missions with Application to Europa Clipper10
Fatty Acid Preservation in Modern and Relict Hot-Spring Deposits in Iceland, with Implications for Organics Detection on Mars10
Inefficient Water Degassing Inhibits Ocean Formation on Rocky Planets: An Insight from Self-Consistent Mantle Degassing Models9
A Drake Equation for Alien Artifacts9
Extraction and Separation of Chiral Amino Acids for Life Detection on Ocean Worlds Without Using Organic Solvents or Derivatization9
Bacterial Growth in Brines Formed by the Deliquescence of Salts Relevant to Cold Arid Worlds9
An Overview of Lipid Biomarkers in Terrestrial Extreme Environments with Relevance for Mars Exploration9
Four-Year Operation of Tanpopo: Astrobiology Exposure and Micrometeoroid Capture Experiments on the JEM Exposed Facility of the International Space Station9
Interrelationships in the Gypsum–Syngenite–Görgeyite System and Their Possible Formation on Mars9
Laboratory Analysis of Returned Samples from the AMADEE-18 Mars Analog Mission9
Microbial Protocols for Spacecraft: 3. Spore Monolayer Preparation Methods for Ultraviolet Irradiation Exposures9
Effects of Active Volcanism on Bacterial Communities in the Highest-Altitude Crater Lake of Ojos del Salado (Dry Andes, Altiplano-Atacama Region)9
Impact of UV Radiation on the Raman Signal of Cystine: Implications for the Detection of S-rich Organics on Mars9
Time-Integrative Multibiomarker Detection in Triassic–Jurassic Rocks from the Atacama Desert: Relevance to the Search for Basic Life Beyond Earth9
Cold, Dry, Windy, and UV Irradiated: Surveying Mars-Relevant Conditions in Ojos del Salado Volcano (Andes Mountains, Chile)9
UV Transmission in Natural Waters on Prebiotic Earth9
A Deep Ultraviolet Raman and Fluorescence Spectral Library of 51 Organic Compounds for the SHERLOC Instrument Onboard Mars 20208
Molecular Muscle Experiment: Hardware and Operational Lessons for Future Astrobiology Space Experiments8
Assessment of Automated Nucleic Acid Extraction Systems in Combination with MinION Sequencing As Potential Tools for the Detection of Microbial Biosignatures8
The Thermal Behavior of Ice-Bearing Ground: The Highest Cold, Dry Desert on Earth as an Analog for Conditions on Mars, at Ojos del Salado, Puna de Atacama-Altiplano Region8
Mineralogical and Spectral (Near-Infrared) Characterization of Fe-Rich Vermiculite-Bearing Terrestrial Deposits and Constraints for Mineralogy of Oxia Planum, ExoMars 2022 Landing Site8
Seeding Biochemistry on Other Worlds: Enceladus as a Case Study8
Planning Implications Related to Sterilization-Sensitive Science Investigations Associated with Mars Sample Return (MSR)8
Scientific Targets of Tanpopo: Astrobiology Exposure and Micrometeoroid Capture Experiments at the Japanese Experiment Module Exposed Facility of the International Space Station8
Science and Curation Considerations for the Design of a Mars Sample Return (MSR) Sample Receiving Facility (SRF)8
Biosignatures Associated with Organic Matter in Late Paleoproterozoic Stromatolitic Dolomite and Implications for Martian Carbonates8
Spectropolarimetry of Primitive Phototrophs as Global Surface Biosignatures8
Science Autonomy for Ocean Worlds Astrobiology: A Perspective8