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 2020-11-01 to 2024-11-01.)

Article	Citations
Oxygenation, Life, and the Planetary System during Earth's Middle History: An Overview	105
Oxia Planum: The Landing Site for the ExoMars “Rosalind Franklin” Rover Mission: Geological Context and Prelanding Interpretation	88
The Venusian Lower Atmosphere Haze as a Depot for Desiccated Microbial Life: A Proposed Life Cycle for Persistence of the Venusian Aerial Biosphere	73
Phosphine on Venus Cannot Be Explained by Conventional Processes	52
Elements for the Origin of Life on Land: A Deep-Time Perspective from the Pilbara Craton of Western Australia	47
Venus, an Astrobiology Target	44
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
Science Objectives for Flagship-Class Mission Concepts for the Search for Evidence of Life at Enceladus	35
Understanding Hypervelocity Sampling of Biosignatures in Space Missions	35
Earth-like Habitable Environments in the Subsurface of Mars	33
Water Activities of Acid Brine Lakes Approach the Limit for Life	32
One-Pot Hydrogen Cyanide-Based Prebiotic Synthesis of Canonical Nucleobases and Glycine Initiated by High-Velocity Impacts on Early Earth	29
Magma Ocean Evolution of the TRAPPIST-1 Planets	28
A Reconstructed Subaerial Hot Spring Field in the ∼3.5 Billion-Year-Old Dresser Formation, North Pole Dome, Pilbara Craton, Western Australia	28
The Timing of Evolutionary Transitions Suggests Intelligent Life is Rare	27
Potential for Phototrophy in Venus' Clouds	26
Effects of Desiccation and Freezing on Microbial Ionizing Radiation Survivability: Considerations for Mars Sample Return	25
BioSentinel: A Biological CubeSat for Deep Space Exploration	25
Investigating Habitability with an Integrated Rock-Climbing Robot and Astrobiology Instrument Suite	25
Phosphine Generation Pathways on Rocky Planets	25
Exobiology of the Venusian Clouds: New Insights into Habitability through Terrestrial Models and Methods of Detection	24
Assessment of Isoprene as a Possible Biosignature Gas in Exoplanets with Anoxic Atmospheres	24
Determining the “Biosignature Threshold” for Life Detection on Biotic, Abiotic, or Prebiotic Worlds	23
Fusarium oxysporumas an Opportunistic Fungal Pathogen onZinnia hybridaPlants Grown on board the International Space Station	23

BioSentinel: Long-TermSaccharomyces cerevisiaePreservation for a Deep Space Biosensor Mission	22
Abiotic Synthesis of Nucleoside 5′-Triphosphates with Nickel Borate and Cyclic Trimetaphosphate (CTMP)	22
Final Report of the Mars Sample Return Science Planning Group 2 (MSPG2)	21
Preliminary Planning for Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility (SRF)	21
Rapid Radiolytic Degradation of Amino Acids in the Martian Shallow Subsurface: Implications for the Search for Extinct Life	21
Screening the Survival of Cyanobacteria Under Perchlorate Stress. Potential Implications for Mars In Situ Resource Utilization	21
Assessment of Ammonia as a Biosignature Gas in Exoplanet Atmospheres	20
Toward Detecting Biosignatures of DNA, Lipids, and Metabolic Intermediates from Bacteria in Ice Grains Emitted by Enceladus and Europa	19
When is Life a Viable Hypothesis? The Case of Venusian Phosphine	19
Ice Shell Structure and Composition of Ocean Worlds: Insights from Accreted Ice on Earth	19
Timescales for Prebiotic Photochemistry Under Realistic Surface Ultraviolet Conditions	19
An Alternative Approach for Assessing Biogenicity	19
Microbial Sulfur Isotope Fractionation in the Chicxulub Hydrothermal System	19
Mars Sample Return (MSR): Planning for Returned Sample Science	19
Habitability Models for Astrobiology	19
In Search for a Planet Better than Earth: Top Contenders for a Superhabitable World	18
Space Radiation Dosimetry at the Exposure Facility of the International Space Station for the Tanpopo Mission	18
Phosphorus in the Clouds of Venus: Potential for Bioavailability	17
Rationale and Proposed Design for a Mars Sample Return (MSR) Science Program	17
Cometary Glycolaldehyde as a Source of pre-RNA Molecules	17
Bacterial Cellulose Retains Robustness but Its Synthesis Declines After Exposure to a Mars-like Environment Simulated Outside the International Space Station	17
Synthesis of Phospholipids Under Plausible Prebiotic Conditions and Analogies with Phospholipid Biochemistry for Origin of Life Studies	16
Comprehensive Search of Stable Isomers of Alanine and Alanine Precursors in Prebiotic Syntheses	16
Greenalite Nanoparticles in Alkaline Vent Plumes as Templates for the Origin of Life	16
Detection of Biosignatures by Capillary Electrophoresis Mass Spectrometry in the Presence of Salts Relevant to Ocean Worlds Missions	15
Urability: A Property of Planetary Bodies That Can Support an Origin of Life	15
Inefficient Water Degassing Inhibits Ocean Formation on Rocky Planets: An Insight from Self-Consistent Mantle Degassing Models	15
Microbially Induced Sedimentary Structures in Clastic Deposits: Implication for the Prospection for Fossil Life on Mars	15
An Overview of Lipid Biomarkers in Terrestrial Extreme Environments with Relevance for Mars Exploration	14
The Venus Life Equation	14
Investigation of Venus Cloud Aerosol and Gas Composition Including Potential Biogenic Materials via an Aerosol-Sampling Instrument Package	14
Spaceflight Virology: What Do We Know about Viral Threats in the Spaceflight Environment?	14
Ancient Oil as a Source of Carbonaceous Matter in 1.88-Billion-Year-Old Gunflint Stromatolites and Microfossils	14
Nitrogen Fixation at Early Mars	13
Scientific Value of Including an Atmospheric Sample as Part of Mars Sample Return (MSR)	13
Mass Spectrometric Fingerprints of Bacteria and Archaea for Life Detection on Icy Moons	13
ExoMars Raman Laser Spectrometer: A Tool to Semiquantify the Serpentinization Degree of Olivine-Rich Rocks on Mars	13
Relevance of the Unfolded Protein Response to Spaceflight-Induced Transcriptional Reprogramming in Arabidopsis	13
Exploring the Lipid World Hypothesis: A Novel Scenario of Self-Sustained Darwinian Evolution of the Liposomes	12
Revival of Anhydrobiotic Cyanobacterium Biofilms Exposed to Space Vacuum and Prolonged Dryness: Implications for Future Missions beyond Low Earth Orbit	12
Photochemical Synthesis of Ammonia and Amino Acids from Nitrous Oxide	12
Atmospheric Nitrogen When Life Evolved on Earth	12
Time-Sensitive Aspects of Mars Sample Return (MSR) Science	12
Do Soluble Phosphates Direct the Formose Reaction towards Pentose Sugars?	11
Fatty Acid Preservation in Modern and Relict Hot-Spring Deposits in Iceland, with Implications for Organics Detection on Mars	11
Uninhabitable and Potentially Habitable Environments on Mars: Evidence from Meteorite ALH 84001	11
Detection and Degradation of Adenosine Monophosphate in Perchlorate-Spiked Martian Regolith Analog, by Deep-Ultraviolet Spectroscopy	11
Biologically Available Chemical Energy in the Temperate but Uninhabitable Venusian Cloud Layer: What Do We Want to Know?	11
Assessment of Automated Nucleic Acid Extraction Systems in Combination with MinION Sequencing As Potential Tools for the Detection of Microbial Biosignatures	11
Influence of Calcium Perchlorate on the Search for Organics on Mars with Tetramethylammonium Hydroxide Thermochemolysis	11

The AMADEE-18 Mars Analog Expedition in the Dhofar Region of Oman	11
BioSentinel: A Biofluidic Nanosatellite Monitoring Microbial Growth and Activity in Deep Space	11
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	11
Scientific Targets of Tanpopo: Astrobiology Exposure and Micrometeoroid Capture Experiments at the Japanese Experiment Module Exposed Facility of the International Space Station	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
Mineral Matrix Effects on Pyrolysis Products of Kerogens Infer Difficulties in Determining Biological Provenance of Macromolecular Organic Matter at Mars	10
Science Autonomy for Ocean Worlds Astrobiology: A Perspective	10
Science and Curation Considerations for the Design of a Mars Sample Return (MSR) Sample Receiving Facility (SRF)	10
A Drake Equation for Alien Artifacts	10
Extraction and Separation of Chiral Amino Acids for Life Detection on Ocean Worlds Without Using Organic Solvents or Derivatization	10
Seeding Biochemistry on Other Worlds: Enceladus as a Case Study	10
Time-Integrative Multibiomarker Detection in Triassic–Jurassic Rocks from the Atacama Desert: Relevance to the Search for Basic Life Beyond Earth	10
Hot Spring Microbial Community Elemental Composition: Hot Spring and Soil Inputs, and the Transition from Biocumulus to Siliceous Sinter	9
Resolving the History of Life on Earth by Seeking Life As We Know It on Mars	9
Planning Implications Related to Sterilization-Sensitive Science Investigations Associated with Mars Sample Return (MSR)	9
Laboratory Analysis of Returned Samples from the AMADEE-18 Mars Analog Mission	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
Impact of UV Radiation on the Raman Signal of Cystine: Implications for the Detection of S-rich Organics on Mars	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
Biosignatures Associated with Organic Matter in Late Paleoproterozoic Stromatolitic Dolomite and Implications for Martian Carbonates	9
Spectropolarimetry of Primitive Phototrophs as Global Surface Biosignatures	9
UV Transmission in Natural Waters on Prebiotic Earth	8
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
Tardigrade Survival Limits in High-Speed Impacts—Implications for Panspermia and Collection of Samples from Plumes Emitted by Ice Worlds	8
Testing Abiotic Reduction of NAD⁺ Directly Mediated by Iron/Sulfur Minerals	8
In Situ Identification of Paleoarchean Biosignatures Using Colocated Perseverance Rover Analyses: Perspectives for In Situ Mars Science and Sample Return	8
The Scientific Importance of Returning Airfall Dust as a Part of Mars Sample Return (MSR)	8
Transfer of Rocks Between Planetary Systems: Panspermia Revisited	8
A Deep Ultraviolet Raman and Fluorescence Spectral Library of 51 Organic Compounds for the SHERLOC Instrument Onboard Mars 2020	8
A Proposed Geobiology-Driven Nomenclature for AstrobiologicalIn SituObservations and Sample Analyses	8
The Origin of Life: What Is the Question?	8