Astrobiology

Article	Citations
Irradiation of Phenylalanine at 300 K by MeV Ions	136
Detection of Short Peptides as Putative Biosignatures of Psychrophiles via Laser Desorption Mass Spectrometry	73
Spore Survival During Abrasive Saltation on Mars: A Comment on Bak et al.	52
Study of Ferrocyanide Adsorption onto Different Minerals as Prebiotic Chemistry Assays	44
Chapter 10: Planetary Protection—History, Science, and the Future	44
Identification and Archive of Mars 2020 Spacecraft Microbial Isolates	37
In Memoriam:Tullis C. Onstott	37
Hydrothermal Regeneration of Ammonium as a Basin-Scale Driver of Primary Productivity	36
Assessment of Isoprene as a Possible Biosignature Gas in Exoplanets with Anoxic Atmospheres	35
Study of the Stability of Gly·MgSO4·5H2O under Simulated Martian Conditions by In Situ Raman Spectroscopy	33
Deoxyribonucleic Acid Extraction from Mars Analog Soils and Their Characterization with Solid-State Nanopores	32
Rosalind Franklin Society Proudly Announces the 2022 Award Recipient for Astrobiology	32
NoRCEL's Engagement in Africa: The AstroScience Exploration Network (ASEN)	30
Acknowledgment of Reviewers: 2021	29
Life Detection and Microbial Biomarker Profiling with Signs of Life Detector-Life Detector Chip During a Mars Drilling Simulation Campaign in the Hyperarid Core of the Atacama Desert	28
Exoplanet Innovators Interview: Sara Seager Interviews Lisa Kaltenegger	28
Ultraviolet Resistance of Microorganisms Isolated from Uranium-Rich Minerals from Perus, Brazil	27
Investigating Polyextremophilic Bacteria in Al Wahbah Crater, Saudi Arabia: A Terrestrial Model for Life on Saturn’s Moon Enceladus	26
A Bayesian Analysis of the Probability of the Origin of Life Per Site Conducive to Abiogenesis	25
The Astrobiological Potential of the Uranian Moon System	24
COSPAR Sample Safety Assessment Framework (SSAF)	24
Proteomic Insights into Psychrophile Growth in Perchlorate-Amended Subzero Conditions: Implications for Martian Life Detection	23
Recovery of Lipid Biomarkers in Hot Spring Digitate Silica Sinter as Analogs for Potential Biosignatures on Mars: Results from Laboratory and Flight-Like Experiments	22
Preservation of Extracellular Sheaths Produced by Iron-Oxidizing Bacteria: An Analog for Potential Morphological Biosignatures on Mars	22
Remote Detection of Red Edge Spectral Characteristics in Floating Aquatic Vegetation	22

Signatures of Life Detected in Images of Rocks Using Neural Network Analysis Demonstrate New Potential for Searching for Biosignatures on the Surface of Mars	22
Uninhabitable and Potentially Habitable Environments on Mars: Evidence from Meteorite ALH 84001	21
A Mission Simulating the Search for Life on Mars with Automated Drilling, Sample Handling, and Life Detection Instruments Performed in the Hyperarid Core of the Atacama Desert, Chile	21
UV Time-Resolved Laser-Induced Fluorescence Spectroscopy of Amino Acids Found in Meteorites: Implications for Space Science and Exploration	21
Building Identity and Community for Early Career Professionals in the Emerging Field of Astrobiology	20
Variable and Large Losses of Diagnostic Biomarkers After Simulated Cosmic Radiation Exposure in Clay- and Carbonate-Rich Mars Analog Samples	20
Mathematical Model of Antibiotic Resistance Determinants' Stability Under Space Flight Conditions	19
Heterotrophic Growth Dominates in the Most Extremotolerant Extremophile Cultures	19
Salt Tolerance and UV Protection of Bacillus subtilis and Enterococcus faecalis under Simulated Martian Conditions	19
Microbial Protocols for Spacecraft: 1. Effects of Surface Texture, Low Pressure, and UV Irradiation on Recovery of Microorganisms from Surfaces	19
Chemical Gardens Mimic Electron Paramagnetic Resonance Spectra and Morphology of Biogenic Mn Oxides	18
Thresholds of Temperature and Time for Mars Sample Return: Final Report of the Mars Sample Return Temperature-Time Tiger Team	18
Recovery of Microbes from Subsurface Europa Analog Environments: An Efficient Mechanical–Thermal Probe for Collecting Biological Samples from the Subsurface of Icy Moons	18
Perchlorate Salts Exert a Dominant, Deleterious Effect on the Structure, Stability, and Activity of α-Chymotrypsin	18
Exoplanet Innovators Interview: Sara Seager Interviews Ignas Snellen	17
Helium Leak Rate Measurements of Flight-like Mars 2020 Sample Tubes	17
Astrobiology by Gavriil Tikhov	17
The Origin of Life: What Is the Question?	17
The Design and Delivery of an Astrobiology Massive Open Online Class	16
Preservation of Terrestrial Microorganisms and Organics Within Alteration Products of Chondritic Meteorites from the Nullarbor Plain, Australia	16
Quantifying the Bioavailable Energy in an Ancient Hydrothermal Vent on Mars and a Modern Earth-Based Analog	16
Bacterial Growth in Brines Formed by the Deliquescence of Salts Relevant to Cold Arid Worlds	15
Photochemical Evolution of Alanine in Association with the Martian Soil Analog Montmorillonite: Insights Derived from Experiments Conducted on the International Space Station	15
Enabling Data Discovery with the Astrobiology Resource Metadata Standard	14
Potential for Phototrophy in Venus' Clouds	14
Searching for Life in Hot Spring Carbonate Systems: Investigating Raman Spectra of Carotenoid-Bearing Organic Carbonaceous Inclusions from Travertines of Italy	14
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 Environment	13
Biogeographical Modeling of Alien Worlds	13
Astrobiology-Related Virtual Field Trips in Higher Education Settings: A Six-Year Study	12
Microbial Characterization of Arctic Glacial Ice Cores with a Semiautomated Life Detection System	12
Pyrolysis of Carboxylic Acids in the Presence of Iron Oxides: Implications for Life Detection on Missions to Mars	12
Inducing Homochirality Through Intermediary Catalytic Species: A Stochastic Approach	12
Stability of 20 Biogenic Amino Acids in Concentrated Sulfuric Acid: Implications for the Habitability of Venus' Clouds	12
Microbial Growth in Martian Soil Simulants Under Terrestrial Conditions: Guiding the Search for Life on Mars	11
Constraining the Rosalind Franklin Rover/Ma_MISS Instrument Capability in the Detection of Organics	11
Introduction—First Billion Years: Habitability	11
Habitability Models for Astrobiology	11
The Venusian Lower Atmosphere Haze as a Depot for Desiccated Microbial Life: A Proposed Life Cycle for Persistence of the Venusian Aerial Biosphere	11
Testing Abiotic Reduction of NAD+ Directly Mediated by Iron/Sulfur Minerals	11
Microbial Communities in Saltpan Sediments Show Tolerance to Mars Analog Conditions, but Susceptibility to Chloride and Perchlorate Toxicity	11
Astrobiological Potential of Venus Atmosphere Chemical Anomalies and Other Unexplained Cloud Properties	10
Novel Chimeric Amino Acid-Fatty Alcohol Ester Amphiphiles Self-Assemble into Stable Primitive Membranes in Diverse Geological Settings	10
Chapter 2: What Is Life?	10
Highly Siderophile Elements and Coupled Fe-Os Isotope Signatures in the Temagami Iron Formation, Canada: Possible Signatures of Neoarchean Seawater Chemistry and Earth's Oxygenation History	10
Astrobiological Potential of Fe/Mg Smectites with Special Emphasis on Jezero Crater, Mars 2020 Landing Site	10
Ancient Siliciclastic–Evaporites as Seen by Remote Sensing Instrumentation with Implications for the Rover-Scale Exploration of Sedimentary Environments on Mars	10
Quantifying Preservation Potential: Lipid Degradation in a Mars-Analog Circumneutral Iron Deposit	9
Self-Shielding Enhanced Organics Synthesis in an Early Reduced Earth’s Atmosphere	9
Rapid Destruction of Lipid Biomarkers Under Simulated Cosmic Radiation	9
Aeolian Biodispersal of Terrestrial Microorganisms on Mars Through Saltation Bombardment of Spacecraft	9

Environmental and Mineralogical Controls on Biosignature Preservation in Magnesium Carbonate Systems Analogous to Jezero Crater, Mars	9
Revival of Anhydrobiotic Cyanobacterium Biofilms Exposed to Space Vacuum and Prolonged Dryness: Implications for Future Missions beyond Low Earth Orbit	9
Spaceflight Virology: What Do We Know about Viral Threats in the Spaceflight Environment?	9
Transfer of Rocks Between Planetary Systems: Panspermia Revisited	8
Extremophiles in Earth's Deep Seas: A View Toward Life in Exo-Oceans	8
The Venus Life Equation	8
Scientific Targets of Tanpopo: Astrobiology Exposure and Micrometeoroid Capture Experiments at the Japanese Experiment Module Exposed Facility of the International Space Station	8
Preservation and Distributions of Covalently Bound Polyaromatic Hydrocarbons in Ancient Biogenic Kerogens and Insoluble Organic Macromolecules	8
Color Catalogue of Life in Ice: Surface Biosignatures on Icy Worlds	8
Does Gaia Play Dice? Simple Models of Non-Darwinian Selection	8
Investigation of Nostoc sp. HK-01, Cell Survival over Three Years during the Tanpopo Mission	8
Planetary Mapping Using Deep Learning: A Method to Evaluate Feature Identification Confidence Applied to Habitats in Mars-Analog Terrain	8
Mesoarchean Microbial Cd, Ba, and Ni Cycling: Evidence for Photosynthesis in Pongola Group Stromatolites through Novel Stable Isotopes and High-Resolution Trace Element Maps	8
Real-Time Quantification of Size-Resolved Bioaerosols and Inert Particles in Spacecraft Assembly Facilities at the NASA Jet Propulsion Laboratory	8
The ‘Oumuamua Controversy: Bayesian Priors and the Evolution of Technological Intelligence	8
Some Pertinent Issues for Interstellar Panspermia Raised after the Discovery of 1I/‘Oumuamua	8
Organic Material Distribution in Mars-Analog Volcanic Rocks, as Determined with Ultraviolet Laser-Induced Fluorescence Spectroscopy	8
Integrated Molar Absorptivity of Mid- and Far-Infrared Spectra of Alanine and a Selection of Other Five Amino Acids of Astrobiological Relevance	7
Solid-State Single-Molecule Sensing with the Electronic Life-Detection Instrument for Enceladus/Europa (ELIE)	7
Detectability of Surface Biosignatures for Directly Imaged Rocky Exoplanets	7
The Space Radiobiological Exposure Facility on the China Space Station	7
Experimental Investigation of the Formation of Formaldehyde by Hadean and Noachian Impacts	7
Hot Spring Microbial Community Elemental Composition: Hot Spring and Soil Inputs, and the Transition from Biocumulus to Siliceous Sinter	7
Reactive Oxygen Species in Emulated Martian Conditions and Their Effect on the Viability of the Unicellular Alga Scenedesmus dimorphus	7
Sharp Rise in Cosmic Ray Irradiation of Organisms on Earth Caused by a Nearby SN Shockwave Passage	7
Exploiting the Unique Biology of Caenorhabditis elegans to Launch Neurodegeneration Studies in Space	7
Information Transmission via Molecular Communication in Astrobiological Environments	7
Freshwater and Evaporite Brine Compositions on Hadean Earth: Priming the Origins of Life	7
Chapter 6: The Breadth and Limits of Life on Earth	7
An Accounting of Contamination Control Requirements, Implementation, and Verification of the Sample Tubes for the Mars 2020 Mission and Future Return Sample Science	7
Haloferax volcanii Remains Viable and Shows Morphological Changes under Anoxic (CO2-Enriched) and Hypobaric (2.4 kPa) Atmospheric Conditions	7
Evaluation of Decontamination Potential of Wet Wipes Against Microbial Contamination of Chinese Spacecraft Materials	7
Testing Rover Science Protocols to Identify Possible Biosignatures on Mars: Achieving Sampling Goals Under a Highly Constrained Time Line	7
Preface to Eta-Earth Revisited: How Common Are Earth-like Habitats in the Galaxy?	7
Influence of Calcium Perchlorate on the Search for Martian Organic Compounds with MTBSTFA/DMF Derivatization	7
Agnostic Life Finder (ALF) for Large-Scale Screening of Martian Life During In Situ Refueling	7
What Would an Alien Amino Acid Alphabet Look Like and Why?	7
Abiotic Ribose Synthesis Under Aqueous Environments with Various Chemical Conditions	7
Directional Aspects of Vegetation Linear and Circular Polarization Biosignatures	6
Magma Ocean Evolution of the TRAPPIST-1 Planets	6
Extraction and Separation of Chiral Amino Acids for Life Detection on Ocean Worlds Without Using Organic Solvents or Derivatization	6
Linear Ion Trap Mass Spectrometer (LITMS) Instrument Field and Laboratory Tests as Part of the ARADS Field Campaigns	6
Phosphine Generation Pathways on Rocky Planets	6
Time-Integrative Multibiomarker Detection in Triassic–Jurassic Rocks from the Atacama Desert: Relevance to the Search for Basic Life Beyond Earth	6
A One-Dimensional Energy Balance Model Parameterization for the Formation of CO2 Ice on the Surfaces of Eccentric Extrasolar Planets	6
Boron as a Hypothetical Participant in the Prebiological Enantiomeric Enrichment	6
Origin of Silicate Spherules and Geochemistry of Re and Platinum-Group Elements Within Microfossil-Bearing Archean Chert from the 3.4 Ga Strelley Pool Formation, Western Australia	6
Time-Sensitive Aspects of Mars Sample Return (MSR) Science	6
The Emergence of Astrobiology: A Topic-Modeling Perspective	6
Protective Effects of Halite to Vacuum and Vacuum-Ultraviolet Radiation: A Potential Scenario During a Young Sun Superflare	6
The Atacama Rover Astrobiology Drilling Studies (ARADS) Project	6
Chapter 8: Searching for Life Beyond Earth	6
BioSentinel: Long-TermSaccharomyces cerevisiaePreservation for a Deep Space Biosensor Mission	6
Space Exposure of Amino Acids and Their Precursors during the Tanpopo Mission	6
Planetary Protection Implementation and Verification Approach for the Mars 2020 Mission	6
Exobiology of the Venusian Clouds: New Insights into Habitability through Terrestrial Models and Methods of Detection	6
DNA Polymerization in Icy Moon Abyssal Pressure Conditions	6
The Call for a New Definition of Biosignature	6
Venus' Atmospheric Chemistry and Cloud Characteristics Are Compatible with Venusian Life	6
BioSentinel: A Biological CubeSat for Deep Space Exploration	6
Constraints for Use of Ultraviolet Spectropolarimetry to Detect Chiral Amino Acids from Comets	5
Duplex Formation and the Origins of Homochirality	5
Science Autonomy for Ocean Worlds Astrobiology: A Perspective	5
Tectonics and Surface Environments on Early Earth	5
Synthesis of Phospholipids Under Plausible Prebiotic Conditions and Analogies with Phospholipid Biochemistry for Origin of Life Studies	5
The Determination of the Spatial Distribution of Indigenous Lipid Biomarkers in an Immature Jurassic Sediment Using Time-of-Flight–Secondary Ion Mass Spectrometry	5
Meteorites as Food Source on Early Earth: Growth, Selection, and Inhibition of a Microbial Community on a Carbonaceous Chondrite	5
Biogeochemical Characteristics of Earth's Volcanic Permafrost: An Analog of Extraterrestrial Environments	5
Astrobiological Implications of Interstellar Material in the Solar System	5
Microbial Motility at the Bottom of North America: Digital Holographic Microscopy and Genomic Motility Signatures in Badwater Spring, Death Valley National Park	5
Traces of Bacterial Contribution to Calcite Weathering Detected by Statistical Characterizations of Surface Microtopography	5
Confidence of Life Detection: The Problem of Unconceived Alternatives	5
Nitrogen Cycling and Biosignatures in a Hyperarid Mars Analog Environment	5
Mass Spectrometric Fingerprints of Bacteria and Archaea for Life Detection on Icy Moons	5
Phosphorus in the Clouds of Venus: Potential for Bioavailability	5
Genetic Biosignatures of Deep-Subsurface Organisms Preserved in Carbonates Over a 100,000 Year Timescale at a Surface-Accessible Mars Analog Site in Southeastern Utah	5
Photochemical Synthesis of Ammonia and Amino Acids from Nitrous Oxide	5
The Origin and Early Evolution of Life: Homochirality Emergence in Prebiotic Environments	5
Chapter 1: The Astrobiology Primer 3.0	5
Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling	5

A Proposed Geobiology-Driven Nomenclature for AstrobiologicalIn SituObservations and Sample Analyses	4
Mutation Analysis of therpoBGene in the Radiation-Resistant BacteriumDeinococcus radioduransR1 Exposed to Space during the Tanpopo Experiment at the International Space Station	4
Exoplanet Innovators Interview: Sara Seager Interviews Scott Gaudi	4
Multi-Technique Characterization of 3.45 Ga Microfossils on Earth: A Key Approach to Detect Possible Traces of Life in Returned Samples from Mars	4
Habitability and Biosignature Formation in Simulated Martian Aqueous Environments	4
Planetary Protection Assessment of Radioisotope Thermoelectric Generator (RTG)–Powered Landed Missions to Ocean Worlds: Application to Enceladus	4
Correction to: Simplified Meteorite Parent Body Alteration of Amino Acids by Hydrothermal Processes (Doi: 10.1089/Ast.2024.0096)	4
Bacterial Cellulose Retains Robustness but Its Synthesis Declines After Exposure to a Mars-like Environment Simulated Outside the International Space Station	4
A Review of the “Black Beauty” Martian Regolith Breccia and Its Martian Habitability Record	4
Undecanoic Acid and L-Phenylalanine in Vermiculite: Detection, Characterization, and UV Degradation Studies for Biosignature Identification on Mars	4
Quantifying the Potential for Nitrate-Dependent Iron Oxidation on Early Mars: Implications for the Interpretation of Gale Crater Organics	4
Life Detection on Icy Moons Using Flow Cytometry and Exogenous Fluorescent Stains	4
Mars Sample Return (MSR): Planning for Returned Sample Science	4
Selection and Analytical Performances of the Dragonfly Mass Spectrometer Gas Chromatographic Columns to Support the Search for Organic Molecules of Astrobiological Interest on Titan	4
Minimum Units of Habitability and Their Abundance in the Universe	4
Tardigrade Survival Limits in High-Speed Impacts—Implications for Panspermia and Collection of Samples from Plumes Emitted by Ice Worlds	4
The Bioburden and Ionic Composition of Hypersaline Lake Ices: Novel Habitats on Earth and Their Astrobiological Implications	4
The Concept of Life on Venus Informs the Concept of Habitability	4
Planetary Terrestrial Analogues Library Project: 3. Characterization of Samples With MicrOmega	4
On the Possibility of an Artificial Origin for ‘Oumuamua	4
Rebuilding the Habitable Zone from the Bottom up with Computational Zones	4
UV Transmission in Prebiotic Environments on Early Earth	4
Planning Implications Related to Sterilization-Sensitive Science Investigations Associated with Mars Sample Return (MSR)	4
Rapid Radiolytic Degradation of Amino Acids in the Martian Shallow Subsurface: Implications for the Search for Extinct Life	4
Is There Such a Thing as a Biosignature?	4
The Raman Active Vibrational Modes of Anthraquinones	4
Radiolytic Degradation of Soil Carbon from the Mojave Desert by60Co Gamma Rays: Implications for the Survival of Martian Organic Compounds Due to Cosmic Radiation	4
Exoplanet Innovators Interview: Sara Seager Interviews Dave Charbonneau	4
Planning the Human Future Beyond Earth with the Prison Population: The Life Beyond Project	4
In SituReal-Time Monitoring for Aseptic Drilling: Lessons Learned from the Atacama Rover Astrobiology Drilling Studies Contamination Control Strategy and Implementation and Application to the I	3
A Drake Equation for Alien Artifacts	3
Interpreting Molecular and Isotopic Biosignatures in Methane-Derived Authigenic Carbonates in the Light of a Potential Carbon Cycle in the Icy Moons	3
Soil Carbon Dioxide Planetary Thermostat	3
A Machine-Learning Approach to Biosignature Exploration on Early Earth and Mars Using Sulfur Isotope and Trace Element Data in Pyrite	3
Planetary Minerals Catalyze Conversion of a Polycyclic Aromatic Hydrocarbon to a Prebiotic Quinone: Implications for Origins of Life	3
Detecting Microbiology in the Upper Atmosphere: Relative-Velocity Filtered Sampling	3
Simplified Meteorite Parent Body Alteration of Amino Acids by Hydrothermal Processes	3
The New Astronomical Frontier of Interstellar Objects	3
Eta-Earth Revisited I: A Formula for Estimating the Maximum Number of Earth-Like Habitats	3
The Molecular Record of Metabolic Activity in the Subsurface of the Río Tinto Mars Analog	3
Rock Traits Drive Complex Microbial Communities at the Edge of Life	3
Microfluidic Chromatography for Enhanced Amino Acid Detection at Ocean Worlds	3
Timescales for Prebiotic Photochemistry Under Realistic Surface Ultraviolet Conditions	3
Mechanism of Prebiotic Uracil Synthesis from Urea and HC3O+ in Space	3
Impact of UV Radiation on the Raman Signal of Cystine: Implications for the Detection of S-rich Organics on Mars	3
Habitability Is Binary, But It Is Used by Astrobiologists to Encompass Continuous Ecological Questions	3
Lightning-Driven Pyrite Oxidation Under Archean Atmosphere Conditions	3
Morphological and Spectral Diversity of the Clay-Bearing Unit at the ExoMars Landing Site Oxia Planum	3
Radiation-Driven Destruction of Thiophene and Methyl-Substituted Thiophenes	3
Investigations on the Role of Iron (III) and Silica-Iron (III) for DNA Protection Against Highly Intense UV Radiation: Tracking the Connection of Prebiotic Chemistry to Biology	3
Metagenome Analysis Reveals a Response of the Antibiotic Resistome to Mars-like Extraterrestrial Conditions	3
Life Detection on Icy Moons Using Flow Cytometry and Intrinsically Fluorescent Biomolecules	3
Translation as a Biosignature	3