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 2021-04-01 to 2025-04-01.)

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
Rosalind Franklin Society Proudly Announces the 2022 Award Recipient for Astrobiology	32
Deoxyribonucleic Acid Extraction from Mars Analog Soils and Their Characterization with Solid-State Nanopores	32
NoRCEL's Engagement in Africa: The AstroScience Exploration Network (ASEN)	30
Acknowledgment of Reviewers: 2021	29
Exoplanet Innovators Interview: Sara Seager Interviews Lisa Kaltenegger	28
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
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
COSPAR Sample Safety Assessment Framework (SSAF)	24
The Astrobiological Potential of the Uranian Moon System	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
Quantifying the Bioavailable Energy in an Ancient Hydrothermal Vent on Mars and a Modern Earth-Based Analog	16
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
Photochemical Evolution of Alanine in Association with the Martian Soil Analog Montmorillonite: Insights Derived from Experiments Conducted on the International Space Station	15
Bacterial Growth in Brines Formed by the Deliquescence of Salts Relevant to Cold Arid Worlds	15
Searching for Life in Hot Spring Carbonate Systems: Investigating Raman Spectra of Carotenoid-Bearing Organic Carbonaceous Inclusions from Travertines of Italy	14
Enabling Data Discovery with the Astrobiology Resource Metadata Standard	14
Potential for Phototrophy in Venus' Clouds	14
Biogeographical Modeling of Alien Worlds	13
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
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
Spaceflight Virology: What Do We Know about Viral Threats in the Spaceflight Environment?	9
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
Real-Time Quantification of Size-Resolved Bioaerosols and Inert Particles in Spacecraft Assembly Facilities at the NASA Jet Propulsion Laboratory	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
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
The ‘Oumuamua Controversy: Bayesian Priors and the Evolution of Technological Intelligence	8
Transfer of Rocks Between Planetary Systems: Panspermia Revisited	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
Extremophiles in Earth's Deep Seas: A View Toward Life in Exo-Oceans	8
Preservation and Distributions of Covalently Bound Polyaromatic Hydrocarbons in Ancient Biogenic Kerogens and Insoluble Organic Macromolecules	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
Color Catalogue of Life in Ice: Surface Biosignatures on Icy Worlds	8
Planetary Mapping Using Deep Learning: A Method to Evaluate Feature Identification Confidence Applied to Habitats in Mars-Analog Terrain	8
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
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