OOIR: Observatory of International Research

Papers

(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 2020-07-01 to 2024-07-01.)

Article	Citations
Oxygenation, Life, and the Planetary System during Earth's Middle History: An Overview	98
Oxia Planum: The Landing Site for the ExoMars “Rosalind Franklin” Rover Mission: Geological Context and Prelanding Interpretation	87
The Role of Meteorite Impacts in the Origin of Life	73
The Venusian Lower Atmosphere Haze as a Depot for Desiccated Microbial Life: A Proposed Life Cycle for Persistence of the Venusian Aerial Biosphere	72
Toward the RNA-World in the Interstellar Medium—Detection of Urea and Search of 2-Amino-oxazole and Simple Sugars	70
Fluvial Regimes, Morphometry, and Age of Jezero Crater Paleolake Inlet Valleys and Their Exobiological Significance for the 2020 Rover Mission Landing Site	49
Phosphine on Venus Cannot Be Explained by Conventional Processes	48
Venus, an Astrobiology Target	44
Discriminating Abiotic and Biotic Fingerprints of Amino Acids and Fatty Acids in Ice Grains Relevant to Ocean Worlds	43
Elements for the Origin of Life on Land: A Deep-Time Perspective from the Pilbara Craton of Western Australia	40
Morphological and Spectral Diversity of the Clay-Bearing Unit at the ExoMars Landing Site Oxia Planum	37
Catalytic Synthesis of Polyribonucleic Acid on Prebiotic Rock Glasses	36
Understanding Hypervelocity Sampling of Biosignatures in Space Missions	35
Cometary Delivery of Hydrogen Cyanide to the Early Earth	34
Science Objectives for Flagship-Class Mission Concepts for the Search for Evidence of Life at Enceladus	30
Simulating Mars Drilling Mission for Searching for Life: Ground-Truthing Lipids and Other Complex Microbial Biomarkers in the Iron-Sulfur Rich Río Tinto Analog	29
Water Activities of Acid Brine Lakes Approach the Limit for Life	29
Earth-like Habitable Environments in the Subsurface of Mars	28
One-Pot Hydrogen Cyanide-Based Prebiotic Synthesis of Canonical Nucleobases and Glycine Initiated by High-Velocity Impacts on Early Earth	27
A Reconstructed Subaerial Hot Spring Field in the ∼3.5 Billion-Year-Old Dresser Formation, North Pole Dome, Pilbara Craton, Western Australia	27
Magma Ocean Evolution of the TRAPPIST-1 Planets	26
The Timing of Evolutionary Transitions Suggests Intelligent Life is Rare	25
Potential for Phototrophy in Venus' Clouds	25
BioSentinel: A Biological CubeSat for Deep Space Exploration	24
Phosphine Generation Pathways on Rocky Planets	24

Lipid Biomarker Record of the Serpentinite-Hosted Ecosystem of the Samail Ophiolite, Oman and Implications for the Search for Biosignatures on Mars	23
Investigating Habitability with an Integrated Rock-Climbing Robot and Astrobiology Instrument Suite	23
BioSentinel: Long-Term Saccharomyces cerevisiae Preservation for a Deep Space Biosensor Mission	23
Exobiology of the Venusian Clouds: New Insights into Habitability through Terrestrial Models and Methods of Detection	22
Estimated Minimum Life Span of the Jezero Fluvial Delta (Mars)	22
Abiotic Synthesis of Nucleoside 5′-Triphosphates with Nickel Borate and Cyclic Trimetaphosphate (CTMP)	21
Effects of Desiccation and Freezing on Microbial Ionizing Radiation Survivability: Considerations for Mars Sample Return	21
Fusarium oxysporumas an Opportunistic Fungal Pathogen onZinnia hybridaPlants Grown on board the International Space Station	21
Assessment of Isoprene as a Possible Biosignature Gas in Exoplanets with Anoxic Atmospheres	20
Screening the Survival of Cyanobacteria Under Perchlorate Stress. Potential Implications for Mars In Situ Resource Utilization	19
Final Report of the Mars Sample Return Science Planning Group 2 (MSPG2)	19
An Alternative Approach for Assessing Biogenicity	19
Preliminary Planning for Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility (SRF)	19
Microbial Sulfur Isotope Fractionation in the Chicxulub Hydrothermal System	19
Determining the “Biosignature Threshold” for Life Detection on Biotic, Abiotic, or Prebiotic Worlds	19
When is Life a Viable Hypothesis? The Case of Venusian Phosphine	19
Mars Sample Return (MSR): Planning for Returned Sample Science	18
Assessment of Ammonia as a Biosignature Gas in Exoplanet Atmospheres	18
Timescales for Prebiotic Photochemistry Under Realistic Surface Ultraviolet Conditions	18
Rapid Radiolytic Degradation of Amino Acids in the Martian Shallow Subsurface: Implications for the Search for Extinct Life	18
Exo-Ocean Exploration with Deep-Sea Sensor and Platform Technologies	18
Ice Shell Structure and Composition of Ocean Worlds: Insights from Accreted Ice on Earth	17
Phosphorus in the Clouds of Venus: Potential for Bioavailability	17
Rationale and Proposed Design for a Mars Sample Return (MSR) Science Program	17
Space Radiation Dosimetry at the Exposure Facility of the International Space Station for the Tanpopo Mission	17
The Venus Life Equation	16
Comprehensive Search of Stable Isomers of Alanine and Alanine Precursors in Prebiotic Syntheses	16
The Complex Molecules Detector (CMOLD): A Fluidic-Based Instrument Suite to Search for (Bio)chemical Complexity on Mars and Icy Moons	16
Metabolomics as an Emerging Tool in the Search for Astrobiologically Relevant Biomarkers	16
Toward Detecting Biosignatures of DNA, Lipids, and Metabolic Intermediates from Bacteria in Ice Grains Emitted by Enceladus and Europa	16
Cometary Glycolaldehyde as a Source of pre-RNA Molecules	16
In Search for a Planet Better than Earth: Top Contenders for a Superhabitable World	16
Bacterial Cellulose Retains Robustness but Its Synthesis Declines After Exposure to a Mars-like Environment Simulated Outside the International Space Station	16
The Albedo of Ryugu: Evidence for a High Organic Abundance, as Inferred from the Hayabusa2 Touchdown Maneuver	15
The Detection of Elemental Signatures of Microbes in Martian Mudstone Analogs Using High Spatial Resolution Laser Ablation Ionization Mass Spectrometry	15
Habitability Models for Astrobiology	15
Ancient Oil as a Source of Carbonaceous Matter in 1.88-Billion-Year-Old Gunflint Stromatolites and Microfossils	14
Greenalite Nanoparticles in Alkaline Vent Plumes as Templates for the Origin of Life	14
Microbially Induced Sedimentary Structures in Clastic Deposits: Implication for the Prospection for Fossil Life on Mars	14
Investigation of Venus Cloud Aerosol and Gas Composition Including Potential Biogenic Materials via an Aerosol-Sampling Instrument Package	14
Synthesis of Phospholipids Under Plausible Prebiotic Conditions and Analogies with Phospholipid Biochemistry for Origin of Life Studies	14
Nitrogen Fixation at Early Mars	13
Detection of Biosignatures by Capillary Electrophoresis Mass Spectrometry in the Presence of Salts Relevant to Ocean Worlds Missions	13
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 Breakdown	12
ExoMars Raman Laser Spectrometer: A Tool to Semiquantify the Serpentinization Degree of Olivine-Rich Rocks on Mars	12
Are Impact Craters and Extinction Episodes Periodic? Implications for Planetary Science and Astrobiology	12
Spaceflight Virology: What Do We Know about Viral Threats in the Spaceflight Environment?	12
Scientific Value of Including an Atmospheric Sample as Part of Mars Sample Return (MSR)	12
Atmospheric Nitrogen When Life Evolved on Earth	12
Mass Spectrometric Fingerprints of Bacteria and Archaea for Life Detection on Icy Moons	12

Revival of Anhydrobiotic Cyanobacterium Biofilms Exposed to Space Vacuum and Prolonged Dryness: Implications for Future Missions beyond Low Earth Orbit	12
Planetary Protection Implementation on the Interior Exploration Using Seismic Investigations, Geodesy and Heat Transport Mission	12
BioSentinel: A Biofluidic Nanosatellite Monitoring Microbial Growth and Activity in Deep Space	12
Relevance of the Unfolded Protein Response to Spaceflight-Induced Transcriptional Reprogramming in Arabidopsis	12
Evaluating Biosignatures for Life Detection	11
Time-Sensitive Aspects of Mars Sample Return (MSR) Science	11
The AMADEE-18 Mars Analog Expedition in the Dhofar Region of Oman	11
Do Soluble Phosphates Direct the Formose Reaction towards Pentose Sugars?	11
Uninhabitable and Potentially Habitable Environments on Mars: Evidence from Meteorite ALH 84001	11
Inefficient Water Degassing Inhibits Ocean Formation on Rocky Planets: An Insight from Self-Consistent Mantle Degassing Models	11
Urability: A Property of Planetary Bodies That Can Support an Origin of Life	11
Influence of Calcium Perchlorate on the Search for Organics on Mars with Tetramethylammonium Hydroxide Thermochemolysis	11
Detection and Degradation of Adenosine Monophosphate in Perchlorate-Spiked Martian Regolith Analog, by Deep-Ultraviolet Spectroscopy	11
Fatty Acid Preservation in Modern and Relict Hot-Spring Deposits in Iceland, with Implications for Organics Detection on Mars	10
Seeding Biochemistry on Other Worlds: Enceladus as a Case Study	10
Photochemical Synthesis of Ammonia and Amino Acids from Nitrous Oxide	10
Science and Curation Considerations for the Design of a Mars Sample Return (MSR) Sample Receiving Facility (SRF)	10
Biologically Available Chemical Energy in the Temperate but Uninhabitable Venusian Cloud Layer: What Do We Want to Know?	10
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	10
A Cruise-Phase Microbial Survival Model for Calculating Bioburden Reductions on Past or Future Spacecraft Throughout Their Missions with Application to Europa Clipper	10
UV Transmission in Natural Waters on Prebiotic Earth	9
Assessment of Automated Nucleic Acid Extraction Systems in Combination with MinION Sequencing As Potential Tools for the Detection of Microbial Biosignatures	9
Spectropolarimetry of Primitive Phototrophs as Global Surface Biosignatures	9
Interrelationships in the Gypsum–Syngenite–Görgeyite System and Their Possible Formation on Mars	9
Bacterial Growth in Brines Formed by the Deliquescence of Salts Relevant to Cold Arid Worlds	9
An Overview of Lipid Biomarkers in Terrestrial Extreme Environments with Relevance for Mars Exploration	9
Impact of UV Radiation on the Raman Signal of Cystine: Implications for the Detection of S-rich Organics on Mars	9
Science Autonomy for Ocean Worlds Astrobiology: A Perspective	9
Time-Integrative Multibiomarker Detection in Triassic–Jurassic Rocks from the Atacama Desert: Relevance to the Search for Basic Life Beyond Earth	9
Microbial Protocols for Spacecraft: 3. Spore Monolayer Preparation Methods for Ultraviolet Irradiation Exposures	9
Four-Year Operation of Tanpopo: Astrobiology Exposure and Micrometeoroid Capture Experiments on the JEM Exposed Facility of the International Space Station	9
A Drake Equation for Alien Artifacts	9
Extraction and Separation of Chiral Amino Acids for Life Detection on Ocean Worlds Without Using Organic Solvents or Derivatization	9
Laboratory Analysis of Returned Samples from the AMADEE-18 Mars Analog Mission	9
Mineralogical and Spectral (Near-Infrared) Characterization of Fe-Rich Vermiculite-Bearing Terrestrial Deposits and Constraints for Mineralogy of Oxia Planum, ExoMars 2022 Landing Site	8
Molecular Muscle Experiment: Hardware and Operational Lessons for Future Astrobiology Space Experiments	8
Scientific Targets of Tanpopo: Astrobiology Exposure and Micrometeoroid Capture Experiments at the Japanese Experiment Module Exposed Facility of the International Space Station	8
A Deep Ultraviolet Raman and Fluorescence Spectral Library of 51 Organic Compounds for the SHERLOC Instrument Onboard Mars 2020	8
The Scientific Importance of Returning Airfall Dust as a Part of Mars Sample Return (MSR)	8
Testing Abiotic Reduction of NAD⁺ Directly Mediated by Iron/Sulfur Minerals	8
Biosignatures Associated with Organic Matter in Late Paleoproterozoic Stromatolitic Dolomite and Implications for Martian Carbonates	8
Planning Implications Related to Sterilization-Sensitive Science Investigations Associated with Mars Sample Return (MSR)	8