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 2020-04-01 to 2024-04-01.)

Article	Citations
The Hot Spring Hypothesis for an Origin of Life	254
Oxygenation, Life, and the Planetary System during Earth's Middle History: An Overview	86
Oxia Planum: The Landing Site for the ExoMars “Rosalind Franklin” Rover Mission: Geological Context and Prelanding Interpretation	83
The Venusian Lower Atmosphere Haze as a Depot for Desiccated Microbial Life: A Proposed Life Cycle for Persistence of the Venusian Aerial Biosphere	66
Toward the RNA-World in the Interstellar Medium—Detection of Urea and Search of 2-Amino-oxazole and Simple Sugars	65
The Role of Meteorite Impacts in the Origin of Life	63
The Case for Ancient Hot Springs in Gusev Crater, Mars	55
Mars Extant Life: What's Next? Conference Report	53
Fluvial Regimes, Morphometry, and Age of Jezero Crater Paleolake Inlet Valleys and Their Exobiological Significance for the 2020 Rover Mission Landing Site	46
Phosphine on Venus Cannot Be Explained by Conventional Processes	41
Venus, an Astrobiology Target	39
Discriminating Abiotic and Biotic Fingerprints of Amino Acids and Fatty Acids in Ice Grains Relevant to Ocean Worlds	37
Elements for the Origin of Life on Land: A Deep-Time Perspective from the Pilbara Craton of Western Australia	35
Morphological and Spectral Diversity of the Clay-Bearing Unit at the ExoMars Landing Site Oxia Planum	33
Cometary Delivery of Hydrogen Cyanide to the Early Earth	32
Catalytic Synthesis of Polyribonucleic Acid on Prebiotic Rock Glasses	30
Understanding Hypervelocity Sampling of Biosignatures in Space Missions	29
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	28
Earth-like Habitable Environments in the Subsurface of Mars	27
A Reconstructed Subaerial Hot Spring Field in the ∼3.5 Billion-Year-Old Dresser Formation, North Pole Dome, Pilbara Craton, Western Australia	25
Biomolecules from Fossilized Hot Spring Sinters: Implications for the Search for Life on Mars	24
The Timing of Evolutionary Transitions Suggests Intelligent Life is Rare	24
Magma Ocean Evolution of the TRAPPIST-1 Planets	24
BioSentinel: Long-Term Saccharomyces cerevisiae Preservation for a Deep Space Biosensor Mission	23

Potential for Phototrophy in Venus' Clouds	23
Formation and Preservation of Microbial Palisade Fabric in Silica Deposits from El Tatio, Chile	23
Lipid Biomarker Record of the Serpentinite-Hosted Ecosystem of the Samail Ophiolite, Oman and Implications for the Search for Biosignatures on Mars	23
Science Objectives for Flagship-Class Mission Concepts for the Search for Evidence of Life at Enceladus	22
Investigating Habitability with an Integrated Rock-Climbing Robot and Astrobiology Instrument Suite	22
BioSentinel: A Biological CubeSat for Deep Space Exploration	22
One-Pot Hydrogen Cyanide-Based Prebiotic Synthesis of Canonical Nucleobases and Glycine Initiated by High-Velocity Impacts on Early Earth	22
Abiotic Synthesis of Nucleoside 5′-Triphosphates with Nickel Borate and Cyclic Trimetaphosphate (CTMP)	21
Lichen Vitality After a Space Flight on Board the EXPOSE-R2 Facility Outside the International Space Station: Results of the Biology and Mars Experiment	20
Estimated Minimum Life Span of the Jezero Fluvial Delta (Mars)	19
Exobiology of the Venusian Clouds: New Insights into Habitability through Terrestrial Models and Methods of Detection	19
Fusarium oxysporumas an Opportunistic Fungal Pathogen onZinnia hybridaPlants Grown on board the International Space Station	19
Phosphine Generation Pathways on Rocky Planets	19
Effects of Desiccation and Freezing on Microbial Ionizing Radiation Survivability: Considerations for Mars Sample Return	19
Microbial Sulfur Isotope Fractionation in the Chicxulub Hydrothermal System	18
Thiophenes on Mars: Biotic or Abiotic Origin?	18
An Alternative Approach for Assessing Biogenicity	18
Biosignature Analysis of Mars Soil Analogs from the Atacama Desert: Challenges and Implications for Future Missions to Mars	17
Rapid Radiolytic Degradation of Amino Acids in the Martian Shallow Subsurface: Implications for the Search for Extinct Life	17
Large Mass-Independent Oxygen Isotope Fractionations in Mid-Proterozoic Sediments: Evidence for a Low-Oxygen Atmosphere?	17
Preliminary Planning for Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility (SRF)	17
Timescales for Prebiotic Photochemistry Under Realistic Surface Ultraviolet Conditions	17
When is Life a Viable Hypothesis? The Case of Venusian Phosphine	17
Screening the Survival of Cyanobacteria Under Perchlorate Stress. Potential Implications for Mars In Situ Resource Utilization	17
Final Report of the Mars Sample Return Science Planning Group 2 (MSPG2)	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
Phosphorus in the Clouds of Venus: Potential for Bioavailability	16
Cometary Glycolaldehyde as a Source of pre-RNA Molecules	16
Determining the “Biosignature Threshold” for Life Detection on Biotic, Abiotic, or Prebiotic Worlds	16
Bacterial Cellulose Retains Robustness but Its Synthesis Declines After Exposure to a Mars-like Environment Simulated Outside the International Space Station	16
Assessment of Isoprene as a Possible Biosignature Gas in Exoplanets with Anoxic Atmospheres	16
Comprehensive Search of Stable Isomers of Alanine and Alanine Precursors in Prebiotic Syntheses	15
Mars Sample Return (MSR): Planning for Returned Sample Science	15
In Search for a Planet Better than Earth: Top Contenders for a Superhabitable World	15
Ice Shell Structure and Composition of Ocean Worlds: Insights from Accreted Ice on Earth	15
The Production and Potential Detection of Hexamethylenetetramine-Methanol in Space	15
The Detection of Elemental Signatures of Microbes in Martian Mudstone Analogs Using High Spatial Resolution Laser Ablation Ionization Mass Spectrometry	15
Space Radiation Dosimetry at the Exposure Facility of the International Space Station for the Tanpopo Mission	15
Exo-Ocean Exploration with Deep-Sea Sensor and Platform Technologies	15
Assessment of Ammonia as a Biosignature Gas in Exoplanet Atmospheres	14
The Venus Life Equation	14
The Albedo of Ryugu: Evidence for a High Organic Abundance, as Inferred from the Hayabusa2 Touchdown Maneuver	14
Synthesis of Phospholipids Under Plausible Prebiotic Conditions and Analogies with Phospholipid Biochemistry for Origin of Life Studies	14
Greenalite Nanoparticles in Alkaline Vent Plumes as Templates for the Origin of Life	13
Ancient Oil as a Source of Carbonaceous Matter in 1.88-Billion-Year-Old Gunflint Stromatolites and Microfossils	13
Investigation of Venus Cloud Aerosol and Gas Composition Including Potential Biogenic Materials via an Aerosol-Sampling Instrument Package	13
Habitability Models for Astrobiology	13
Rationale and Proposed Design for a Mars Sample Return (MSR) Science Program	13
Atmospheric Nitrogen When Life Evolved on Earth	12

ExoMars Raman Laser Spectrometer: A Tool to Semiquantify the Serpentinization Degree of Olivine-Rich Rocks on Mars	12
Planetary Protection Implementation on the Interior Exploration Using Seismic Investigations, Geodesy and Heat Transport Mission	12
Bacterial Diversity of a High-Altitude Permafrost Thaw Pond Located on Ojos del Salado (Dry Andes, Altiplano-Atacama Region)	12
Detection of Biosignatures by Capillary Electrophoresis Mass Spectrometry in the Presence of Salts Relevant to Ocean Worlds Missions	11
Are Impact Craters and Extinction Episodes Periodic? Implications for Planetary Science and Astrobiology	11
Influence of Calcium Perchlorate on the Search for Organics on Mars with Tetramethylammonium Hydroxide Thermochemolysis	11
Spaceflight Virology: What Do We Know about Viral Threats in the Spaceflight Environment?	11
Detection and Degradation of Adenosine Monophosphate in Perchlorate-Spiked Martian Regolith Analog, by Deep-Ultraviolet Spectroscopy	11
Observational Constraints on the Great Filter	11
Mass Spectrometric Fingerprints of Bacteria and Archaea for Life Detection on Icy Moons	11
Uninhabitable and Potentially Habitable Environments on Mars: Evidence from Meteorite ALH 84001	11
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	11
BioSentinel: A Biofluidic Nanosatellite Monitoring Microbial Growth and Activity in Deep Space	11
Microbially Induced Sedimentary Structures in Clastic Deposits: Implication for the Prospection for Fossil Life on Mars	11
Revival of Anhydrobiotic Cyanobacterium Biofilms Exposed to Space Vacuum and Prolonged Dryness: Implications for Future Missions beyond Low Earth Orbit	11
The AMADEE-18 Mars Analog Expedition in the Dhofar Region of Oman	10
Evaluating Biosignatures for Life Detection	10
The Italian National Project of Astrobiology—Life in Space—Origin, Presence, Persistence of Life in Space, from Molecules to Extremophiles	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
Toward Detecting Biosignatures of DNA, Lipids, and Metabolic Intermediates from Bacteria in Ice Grains Emitted by Enceladus and Europa	10
Relevance of the Unfolded Protein Response to Spaceflight-Induced Transcriptional Reprogramming in Arabidopsis	10
Trace Element Concentrations in Hydrothermal Silica Deposits as a Potential Biosignature	10
Do Soluble Phosphates Direct the Formose Reaction towards Pentose Sugars?	10
Nitrogen Fixation at Early Mars	10
Time-Sensitive Aspects of Mars Sample Return (MSR) Science	10
Cold, Dry, Windy, and UV Irradiated: Surveying Mars-Relevant Conditions in Ojos del Salado Volcano (Andes Mountains, Chile)	9
Scientific Value of Including an Atmospheric Sample as Part of Mars Sample Return (MSR)	9
Time-Integrative Multibiomarker Detection in Triassic–Jurassic Rocks from the Atacama Desert: Relevance to the Search for Basic Life Beyond Earth	9
Bacterial Growth in Brines Formed by the Deliquescence of Salts Relevant to Cold Arid Worlds	9
A Drake Equation for Alien Artifacts	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
Extraction and Separation of Chiral Amino Acids for Life Detection on Ocean Worlds Without Using Organic Solvents or Derivatization	9
Sulfur Chemistry May Have Paved the Way for Evolution of Antioxidants	8
Biologically Available Chemical Energy in the Temperate but Uninhabitable Venusian Cloud Layer: What Do We Want to Know?	8
Fatty Acid Preservation in Modern and Relict Hot-Spring Deposits in Iceland, with Implications for Organics Detection on Mars	8
Impact of UV Radiation on the Raman Signal of Cystine: Implications for the Detection of S-rich Organics on Mars	8
Photochemical Synthesis of Ammonia and Amino Acids from Nitrous Oxide	8
Biosignatures Associated with Organic Matter in Late Paleoproterozoic Stromatolitic Dolomite and Implications for Martian Carbonates	8
Effects of Active Volcanism on Bacterial Communities in the Highest-Altitude Crater Lake of Ojos del Salado (Dry Andes, Altiplano-Atacama Region)	8
Molecular Muscle Experiment: Hardware and Operational Lessons for Future Astrobiology Space Experiments	8
Spectropolarimetry of Primitive Phototrophs as Global Surface Biosignatures	8
The Thermal Behavior of Ice-Bearing Ground: The Highest Cold, Dry Desert on Earth as an Analog for Conditions on Mars, at Ojos del Salado, Puna de Atacama-Altiplano Region	8
A Deep Ultraviolet Raman and Fluorescence Spectral Library of 51 Organic Compounds for the SHERLOC Instrument Onboard Mars 2020	8
Seeding Biochemistry on Other Worlds: Enceladus as a Case Study	8
Inefficient Water Degassing Inhibits Ocean Formation on Rocky Planets: An Insight from Self-Consistent Mantle Degassing Models	8
Assessment of Automated Nucleic Acid Extraction Systems in Combination with MinION Sequencing As Potential Tools for the Detection of Microbial Biosignatures	8
Interrelationships in the Gypsum–Syngenite–Görgeyite System and Their Possible Formation on Mars	8