OOIR: Observatory of International Research

Papers

(The TQCC of Astrobiology is 7. 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 2021-05-01 to 2025-05-01.)

Article	Citations
Habitability Models for Astrobiology	143
Spore Survival During Abrasive Saltation on Mars: A Comment on Bak et al.	81
Chapter 10: Planetary Protection—History, Science, and the Future	56
Proteomic Insights into Psychrophile Growth in Perchlorate-Amended Subzero Conditions: Implications for Martian Life Detection	45
Novel Chimeric Amino Acid-Fatty Alcohol Ester Amphiphiles Self-Assemble into Stable Primitive Membranes in Diverse Geological Settings	44
Ultraviolet Resistance of Microorganisms Isolated from Uranium-Rich Minerals from Perus, Brazil	37
Deoxyribonucleic Acid Extraction from Mars Analog Soils and Their Characterization with Solid-State Nanopores	37
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	35
Biogeographical Modeling of Alien Worlds	34
Self-Shielding Enhanced Organics Synthesis in an Early Reduced Earth’s Atmosphere	33
Extremophiles in Earth's Deep Seas: A View Toward Life in Exo-Oceans	32
Haloferax volcanii Remains Viable and Shows Morphological Changes under Anoxic (CO₂-Enriched) and Hypobaric (2.4 kPa) Atmospheric Conditions	31
Hydrothermal Regeneration of Ammonium as a Basin-Scale Driver of Primary Productivity	31
Boron as a Hypothetical Participant in the Prebiological Enantiomeric Enrichment	30
Protective Effects of Halite to Vacuum and Vacuum-Ultraviolet Radiation: A Potential Scenario During a Young Sun Superflare	29
The Call for a New Definition of Biosignature	29
Scientific Targets of Tanpopo: Astrobiology Exposure and Micrometeoroid Capture Experiments at the Japanese Experiment Module Exposed Facility of the International Space Station	27
What Would an Alien Amino Acid Alphabet Look Like and Why?	27
Exobiology of the Venusian Clouds: New Insights into Habitability through Terrestrial Models and Methods of Detection	26
Magma Ocean Evolution of the TRAPPIST-1 Planets	25
Traces of Bacterial Contribution to Calcite Weathering Detected by Statistical Characterizations of Surface Microtopography	25
An Accounting of Contamination Control Requirements, Implementation, and Verification of the Sample Tubes for the Mars 2020 Mission and Future Return Sample Science	25
Linear Ion Trap Mass Spectrometer (LITMS) Instrument Field and Laboratory Tests as Part of the ARADS Field Campaigns	22
Exploiting the Unique Biology of Caenorhabditis elegans to Launch Neurodegeneration Studies in Space	22
The Venus Life Equation	22

Sharp Rise in Cosmic Ray Irradiation of Organisms on Earth Caused by a Nearby SN Shockwave Passage	22
Astrobiological Implications of Interstellar Material in the Solar System	21
Mesoarchean Microbial Cd, Ba, and Ni Cycling: Evidence for Photosynthesis in Pongola Group Stromatolites through Novel Stable Isotopes and High-Resolution Trace Element Maps	21
Extraction and Separation of Chiral Amino Acids for Life Detection on Ocean Worlds Without Using Organic Solvents or Derivatization	21
A Review of the “Black Beauty” Martian Regolith Breccia and Its Martian Habitability Record	21
Strong Evidence that Abiogenesis Is a Rapid Process on Earth Analogs	20
Organic Biosignature Degradation in Hydrothermal and Serpentinizing Environments: Implications for Life Detection on Icy Moons and Mars	20
Undecanoic Acid and L-Phenylalanine in Vermiculite: Detection, Characterization, and UV Degradation Studies for Biosignature Identification on Mars	19
Planning the Human Future Beyond Earth with the Prison Population: The Life Beyond Project	19
Eta-Earth Revisited I: A Formula for Estimating the Maximum Number of Earth-Like Habitats	19
Tardigrade Survival Limits in High-Speed Impacts—Implications for Panspermia and Collection of Samples from Plumes Emitted by Ice Worlds	19
Duplex Formation and the Origins of Homochirality	18
The New Astronomical Frontier of Interstellar Objects	18
Correction to: Simplified Meteorite Parent Body Alteration of Amino Acids by Hydrothermal Processes (Doi: 10.1089/Ast.2024.0096)	18
An Interview with Dr. Sara Seager	17
Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling	17
UV Transmission in Prebiotic Environments on Early Earth	17
The Impact of Extreme Low Temperatures on Raman Spectra of Amino Acids Relevant for the Search for Life on Europa	17
Effects of UV and Calcium Perchlorates on Uracil Deposited on Strontium Fluoride Substrates at Mars Pressure and Temperature	16
Prebiotic Nucleoside Phosphorylation in a Simulated Deep-Sea Supercritical Carbon Dioxide–Water Two-Phase Environment	16
Using Organic Contaminants to Constrain the Terrestrial Journey of the Martian Meteorite Lafayette	16
Absorption and Scattering of UV and Visible Light Through Simulated Martian Regoliths and Rock Samples	15
Fusarium oxysporumas an Opportunistic Fungal Pathogen onZinnia hybridaPlants Grown on board the International Space Station	15
Quantum Dots in Peroxidase-like Chemistry and Formamide-Based Hot Spring Synthesis of Nucleobases	15
Nitrogen Fixation at Early Mars	14
Space Radiation Dosimetry at the Exposure Facility of the International Space Station for the Tanpopo Mission	14
Out of Thin Air? Astrobiology and Atmospheric Chemotrophy	14
Final Report of the Mars Sample Return Science Planning Group 2 (MSPG2)	14
Future of the Search for Life: Workshop Report	13
Planetary Protection Knowledge Gap Closure Enabling Crewed Missions to Mars	13
The Radiation Environment of Ceres and Implications for Surface Sampling	12
Catalytic Synthesis of Polyribonucleic Acid on Prebiotic Rock Glasses	12
Determining the “Biosignature Threshold” for Life Detection on Biotic, Abiotic, or Prebiotic Worlds	12
Chemical, Thermal, and Radiation Resistance of an Iron Porphyrin: A Model Study of Biosignature Stability	12
Chapter 4: A Geological and Chemical Context for the Origins of Life on Early Earth	12
Bridging Place-Based Astrobiology Education with Genomics, Including Descriptions of Three Novel Bacterial Species Isolated from Mars Analog Sites of Cultural Relevance	12
An Overview of Lipid Biomarkers in Terrestrial Extreme Environments with Relevance for Mars Exploration	11
Spore Survival During Abrasive Saltation on Mars: A Reply to the Comment by Minns et al.	11
Spectroscopic Protocol for Biosignature Detection: Arctic Ice Samples as Analogs for Icy Moons	11
Exoplanet Innovators Interview: Sara Seager Interviews Jim Kasting	11
Considerations for Detecting Organic Indicators of Metabolism on Enceladus	11
Different Scenarios for the Origin and the Subsequent Succession of a Hypothetical Microbial Community in the Cloud Layer of Venus	11
Rosalind Franklin Society Proudly Announces the 2023 Award Recipient for Astrobiology	11
Venus, an Astrobiology Target	11
Are Large Sulfur Isotope Variations Biosignatures in an Ancient, Impact-Induced Hydrothermal Mars Analog?	10
Dispersion of Bacteria by Low-Pressure Boiling: Life Detection in Enceladus' Plume Material	10
Recommendation on Orbiting Sample Cleanliness	10
Humid Evolution of Haze in the Atmosphere of Super-Earths in the Habitable Zone	10
Introducing the Venus Collection—Papers from the First Workshop on Habitability of the Cloud Layer	10
Simple Lipids Form Stable Higher-Order Structures in Concentrated Sulfuric Acid	10

Eta-Earth Revisited II: Deriving a Maximum Number of Earth-Like Habitats in the Galactic Disk	10
Experimental Identification of Potential Martian Biosignatures in Open and Closed Systems	10
Preliminary Planning for Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility (SRF)	9
Rosalind Franklin Society Proudly Announces the 2022 Award Recipient for Astrobiology	9
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	9
Testing Abiotic Reduction of NAD⁺ Directly Mediated by Iron/Sulfur Minerals	9
Pyrolysis of Carboxylic Acids in the Presence of Iron Oxides: Implications for Life Detection on Missions to Mars	9
Quantifying the Bioavailable Energy in an Ancient Hydrothermal Vent on Mars and a Modern Earth-Based Analog	9
Recovery of Lipid Biomarkers in Hot Spring Digitate Silica Sinter as Analogs for Potential Biosignatures on Mars: Results from Laboratory and Flight-Like Experiments	8
Organic Material Distribution in Mars-Analog Volcanic Rocks, as Determined with Ultraviolet Laser-Induced Fluorescence Spectroscopy	8
Evaluation of Decontamination Potential of Wet Wipes Against Microbial Contamination of Chinese Spacecraft Materials	8
Building Identity and Community for Early Career Professionals in the Emerging Field of Astrobiology	8
Astrobiology by Gavriil Tikhov	8
The Venusian Lower Atmosphere Haze as a Depot for Desiccated Microbial Life: A Proposed Life Cycle for Persistence of the Venusian Aerial Biosphere	8
Preservation and Distributions of Covalently Bound Polyaromatic Hydrocarbons in Ancient Biogenic Kerogens and Insoluble Organic Macromolecules	8
Inducing Homochirality Through Intermediary Catalytic Species: A Stochastic Approach	8
Ancient Siliciclastic–Evaporites as Seen by Remote Sensing Instrumentation with Implications for the Rover-Scale Exploration of Sedimentary Environments on Mars	8
Preservation of Extracellular Sheaths Produced by Iron-Oxidizing Bacteria: An Analog for Potential Morphological Biosignatures on Mars	8
A Bayesian Analysis of the Probability of the Origin of Life Per Site Conducive to Abiogenesis	8
DNA Polymerization in Icy Moon Abyssal Pressure Conditions	8
Mathematical Model of Antibiotic Resistance Determinants' Stability Under Space Flight Conditions	8
Preservation of Terrestrial Microorganisms and Organics Within Alteration Products of Chondritic Meteorites from the Nullarbor Plain, Australia	8
A Machine-Learning Approach to Biosignature Exploration on Early Earth and Mars Using Sulfur Isotope and Trace Element Data in Pyrite	7
Hot Spring Microbial Community Elemental Composition: Hot Spring and Soil Inputs, and the Transition from Biocumulus to Siliceous Sinter	7
Photochemical Synthesis of Ammonia and Amino Acids from Nitrous Oxide	7
Impact of M Dwarfs Ultraviolet Radiation on Prebiotic Chemistry: The Case of Adenine	7
Mars Sample Return (MSR): Planning for Returned Sample Science	7
Biosignatures Preserved in Carbonate Nodules from the Western Qaidam Basin, NW China: Implications for Life Detection on Mars	7
Does Gaia Play Dice? Simple Models of Non-Darwinian Selection	7
Preface to Eta-Earth Revisited: How Common Are Earth-like Habitats in the Galaxy?	7
Life Detection on Icy Moons Using Flow Cytometry and Exogenous Fluorescent Stains	7
A Drake Equation for Alien Artifacts	7
Effects of Desiccation and Freezing on Microbial Ionizing Radiation Survivability: Considerations for Mars Sample Return	7
Constraints for Use of Ultraviolet Spectropolarimetry to Detect Chiral Amino Acids from Comets	7
Integrated Molar Absorptivity of Mid- and Far-Infrared Spectra of Alanine and a Selection of Other Five Amino Acids of Astrobiological Relevance	7
Microbial Motility at the Bottom of North America: Digital Holographic Microscopy and Genomic Motility Signatures in Badwater Spring, Death Valley National Park	7
Directional Aspects of Vegetation Linear and Circular Polarization Biosignatures	7
Quantifying the Potential for Nitrate-Dependent Iron Oxidation on Early Mars: Implications for the Interpretation of Gale Crater Organics	7
Oxygenation, Life, and the Planetary System during Earth's Middle History: An Overview	7