Posted inAnalog Studies, Astrogeology, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Sample Return, Status Report

Magmatic And Thermally Produced Reactive Phosphorus 3.2 Billion Years Ago And Its Implications For Early Life

Reduced and polymerized phosphorus species may have been crucial for the origin and early evolution of life, as they are more reactive and soluble than phosphate.

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrogeology, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Desert Worlds, Habitable Zones, Status Report, Water/Hycean Worlds & Oceanography

Geochemical Mobility of Elements in Antarctic Environments Affected by CO2-Rich Hydrothermal Fluids: Astrobiological Implications

Hydrothermal systems are widespread in our solar system. Identification of alteration mineral assemblages on Mars and potentially in ocean worlds such as Enceladus suggests the existence of extensive hydrothermal fluid-igneous […]

Posted inAnalog Studies, Atmospheres, Climate, Weather, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Desert Worlds, Extremeophiles and Extreme Environments, Fossils & Paleontology, Icy Worlds, Life Support Systems, Mars, Microbiology & Virology, Origin & Evolution of Life, Sample Return, Status Report

Desert Cyanobacteria Under Non-Earth Conditions: Implications For Astrobiology And Sustainable Life Support

The astonishing capability of life to adapt to extreme conditions provides a new perspective on what habitable means.

Posted inAnalog Studies, Astrobiology (general), Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Exploration Gear & Tech, Habitable Zones, Imaging & Spectroscopy, NASA Astrobiology Program, Status Report, Tricorders & Sensors

Tricorder Tech: The Design of a Bioinspired Integrated Total Habitability Instrument for Planetary Exploration: A Review of Potential Sensing Technologies

One key objective of astrobiology is to investigate and discover if other planetary bodies are habitable.

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrochemistry, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Icy Worlds, Meteorites & Asteroids, Press Release, Water/Hycean Worlds & Oceanography

Space Dust Reveals Arctic Ice Conditions Before Satellite Imaging

Arctic sea ice has declined by more than 42% since 1979, when regular satellite monitoring began. As the ice grows thinner and recedes, more water is exposed to sunlight.

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Cryobiology, Genomics, Proteomics, Bioinformatics, Icy Worlds, Status Report, Water/Hycean Worlds & Oceanography

Multiple Roles Of DNA Methylation In Sea-ice Bacterial Communities And Associated Viruses

Despite growing evidence for the role of DNA methylation in bacterial acclimation to environmental stress, this epigenetic mechanism remains unexplored in sea-ice microbial communities known to tolerate multiple stressors.

Posted inAnalog Studies, Away Teams & Field Reports, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Sample Return, Status Report, Water/Hycean Worlds & Oceanography

Experimental Diagenesis Reveals Preservation Of Biosignatures In Filamentous Sulfur Mats Under Hydrothermal Conditions

Filamentous microbial biosignatures associated with iron sulfides are among the prime targets in early life studies, but their formation and preservation are insufficiently understood.

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