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 2022-07-01 to 2026-07-01.)

Article	Citations
Deoxyribonucleic Acid Extraction from Mars Analog Soils and Their Characterization with Solid-State Nanopores	57
Spore Survival During Abrasive Saltation on Mars: A Comment on Bak et al.	52
Self-Shielding Enhanced Organics Synthesis in an Early Reduced Earth’s Atmosphere	41
The Origin, Extension, and Future of the “NASA Definition” of Life	39
Proteomic Insights into Psychrophile Growth in Perchlorate-Amended Subzero Conditions: Implications for Martian Life Detection	35
Chapter 10: Planetary Protection—History, Science, and the Future	32
Hydrothermal Regeneration of Ammonium as a Basin-Scale Driver of Primary Productivity	31
Ultraviolet Resistance of Microorganisms Isolated from Uranium-Rich Minerals from Perus, Brazil	28
A Modular 3D-Printed Design to Investigate Prebiotic Chemical Systems in Hot Spring Pools	27
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	27
Extremophiles in Earth's Deep Seas: A View Toward Life in Exo-Oceans	26
How Viking Changed Science Communication	24
NASA Viking Mission: A Perspective of the Labeled Release Biological Experiment on Mars	23
Novel Chimeric Amino Acid-Fatty Alcohol Ester Amphiphiles Self-Assemble into Stable Primitive Membranes in Diverse Geological Settings	23
Protective Effects of Halite to Vacuum and Vacuum-Ultraviolet Radiation: A Potential Scenario During a Young Sun Superflare	22
The Microbial Inhabitants of the Corona Lava Tube: Astrobiological Insights from a Mars Analog Environment	21
Sharp Rise in Cosmic Ray Irradiation of Organisms on Earth Caused by a Nearby SN Shockwave Passage	21
Nanopore Sequencing: A Way to Explore Life’s Origins	21
Exploiting the Unique Biology of Caenorhabditis elegans to Launch Neurodegeneration Studies in Space	21
Boron as a Hypothetical Participant in the Prebiological Enantiomeric Enrichment	20
Mesoarchean Microbial Cd, Ba, and Ni Cycling: Evidence for Photosynthesis in Pongola Group Stromatolites through Novel Stable Isotopes and High-Resolution Trace Element Maps	19
Challenges and Opportunities in Using Amino Acids to Decode Carbonaceous Chondrite and Asteroid Parent Body Processes	19
What Would an Alien Amino Acid Alphabet Look Like and Why?	19
Linear Ion Trap Mass Spectrometer (LITMS) Instrument Field and Laboratory Tests as Part of the ARADS Field Campaigns	19
Traces of Bacterial Contribution to Calcite Weathering Detected by Statistical Characterizations of Surface Microtopography	19

An Accounting of Contamination Control Requirements, Implementation, and Verification of the Sample Tubes for the Mars 2020 Mission and Future Return Sample Science	17
The Call for a New Definition of Biosignature	16
Organic Biosignature Degradation in Hydrothermal and Serpentinizing Environments: Implications for Life Detection on Icy Moons and Mars	15
Astrobiological Implications of Interstellar Material in the Solar System	15
Nitrogen Incorporation in Potassic and Micro- and Meso-Porous Minerals: Potential Biogeochemical Records and Targets for Mars Sampling	15
The New Astronomical Frontier of Interstellar Objects	15
Haloferax volcanii Remains Viable and Shows Morphological Changes under Anoxic (CO ₂ -Enriched) and Hypobaric (2.4 kPa) At	15
Strong Evidence that Abiogenesis Is a Rapid Process on Earth Analogs	15
Undecanoic Acid and L-Phenylalanine in Vermiculite: Detection, Characterization, and UV Degradation Studies for Biosignature Identification on Mars	14
Structural Biosignatures—A Category of Potential Biosignatures in the Life Detection Knowledge Base	14
UV Transmission in Prebiotic Environments on Early Earth	14
Eta-Earth Revisited I: A Formula for Estimating the Maximum Number of Earth-Like Habitats	14
Can Pareto Optimality Be Evidence of Life?	13
Future of the Search for Life: Workshop Report	13
Chemical and Physical Evolution of the Crust	13
Life Detection in the Martian Subsurface: Advancements in Microbial Metabolic Research Under Mars Laboratory and Field-Analog Conditions since Viking	13
Correction to: Simplified Meteorite Parent Body Alteration of Amino Acids by Hydrothermal Processes (Doi: 10.1089/Ast.2024.0096)	13
The Impact of Extreme Low Temperatures on Raman Spectra of Amino Acids Relevant for the Search for Life on Europa	12
An Interview with Dr. Sara Seager	12
Effects of UV and Calcium Perchlorates on Uracil Deposited on Strontium Fluoride Substrates at Mars Pressure and Temperature	12
Absorption and Scattering of UV and Visible Light Through Simulated Martian Regoliths and Rock Samples	12
Prebiotic Nucleoside Phosphorylation in a Simulated Deep-Sea Supercritical Carbon Dioxide–Water Two-Phase Environment	12
Bridging Place-Based Astrobiology Education with Genomics, Including Descriptions of Three Novel Bacterial Species Isolated from Mars Analog Sites of Cultural Relevance	11
An Overview of Lipid Biomarkers in Terrestrial Extreme Environments with Relevance for Mars Exploration	11
Crystal Habits as Potential Biosignatures	11
Geochemical Mobility of Elements in Antarctic Environments Affected by CO ₂ -Rich Hydrothermal Fluids: Astrobiological Implications	11
Using Organic Contaminants to Constrain the Terrestrial Journey of the Martian Meteorite Lafayette	11
Measurement of Photochemical Haze Refractive Indices and Hygroscopicity: Influence of CO ₂ in CH ₄	11
Chapter 4: A Geological and Chemical Context for the Origins of Life on Early Earth	11
Different Scenarios for the Origin and the Subsequent Succession of a Hypothetical Microbial Community in the Cloud Layer of Venus	11
Planetary Protection Knowledge Gap Closure Enabling Crewed Missions to Mars	11
Chemical, Thermal, and Radiation Resistance of an Iron Porphyrin: A Model Study of Biosignature Stability	10
Exoplanet Innovators Interview: Sara Seager Interviews Jim Kasting	10
Experimental Identification of Potential Martian Biosignatures in Open and Closed Systems	10
Dispersion of Bacteria by Low-Pressure Boiling: Life Detection in Enceladus' Plume Material	10
Spectroscopic Protocol for Biosignature Detection: Arctic Ice Samples as Analogs for Icy Moons	10
Life Detection Knowledge Base: Assessment Criteria for Potential Biosignatures	10
Spore Survival During Abrasive Saltation on Mars: A Reply to the Comment by Minns et al.	10
Simple Lipids Form Stable Higher-Order Structures in Concentrated Sulfuric Acid	10
Mars Sample Return Sample Receiving Project Measurement Definition Team Final Report	9
Biosignature Detection and Preservation in Lake Salda Microbialites Under Simulated Martian Conditions	9
Considerations for Detecting Organic Indicators of Metabolism on Enceladus	9
Building Identity and Community for Early Career Professionals in the Emerging Field of Astrobiology	9
Astrobiology by Gavriil Tikhov	9
Rosalind Franklin Society Proudly Announces the 2023 Award Recipient for Astrobiology	9
Icelandic Hot Springs as a Prebiotic Analog: Wet–Dry Cycling Effects on the Stability of Nucleotides and Nucleic Acids	9
A Bayesian Analysis of the Probability of the Origin of Life Per Site Conducive to Abiogenesis	9
Are Large Sulfur Isotope Variations Biosignatures in an Ancient, Impact-Induced Hydrothermal Mars Analog?	9
Eta-Earth Revisited II: Deriving a Maximum Number of Earth-Like Habitats in the Galactic Disk	9
Humid Evolution of Haze in the Atmosphere of Super-Earths in the Habitable Zone	9

Ancient Siliciclastic–Evaporites as Seen by Remote Sensing Instrumentation with Implications for the Rover-Scale Exploration of Sedimentary Environments on Mars	8
Assembly of Replicating Protocells with Primitive Metabolism	8
Inducing Homochirality Through Intermediary Catalytic Species: A Stochastic Approach	8
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	8
Preservation of Extracellular Sheaths Produced by Iron-Oxidizing Bacteria: An Analog for Potential Morphological Biosignatures on Mars	8
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
Mathematical Model of Antibiotic Resistance Determinants' Stability Under Space Flight Conditions	8
Rosalind Franklin Society Proudly Announces the 2022 Award Recipient for Astrobiology	8
The Role of Fatty Acid Vesicles in the Origin of Polymer Function	8
The Lipidome of a Mars Analog Poly-Extreme Community in Atacama Halite Endolith: Chemotaxonomy, Lipid Adaptation, and Implications for the Search for Extraplanetary Biosignatures	8
The Role of Chemical Sensors, Microfluidics, and Analytical Microsystems in Future Mars Exploration	7
Microbial Motility at the Bottom of North America: Digital Holographic Microscopy and Genomic Motility Signatures in Badwater Spring, Death Valley National Park	7
Mars Organic Geochemistry—Are We Alone, and Where Did We Come From?	7
Life Detection on Icy Moons Using Flow Cytometry and Exogenous Fluorescent Stains	7
Experimental Models on the Prebiotic Formation of Biopolymer Building Blocks	7
Quantifying the Bioavailable Energy in an Ancient Hydrothermal Vent on Mars and a Modern Earth-Based Analog	7
Preface to Eta-Earth Revisited: How Common Are Earth-like Habitats in the Galaxy?	7
The Impact of the Viking Entry, Descent, and Landing Legacy on Future Mars Exploration	7
DNA Polymerization in Icy Moon Abyssal Pressure Conditions	7
Evaluation of Decontamination Potential of Wet Wipes Against Microbial Contamination of Chinese Spacecraft Materials	7
Does Gaia Play Dice? Simple Models of Non-Darwinian Selection	7
Directional Aspects of Vegetation Linear and Circular Polarization Biosignatures	7