Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Status Report

Extraordinary Claims Require Extraordinary Evidence: Evaluating Nodule-associated Dark Oxygen Production (opinion)

Editor’s note: this is a response to Oxygen Produced In The Deep Sea Raises Questions About Extraterrestrial Life, Boston University 27 August 2024

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biophysics, Biosignatures & Paleobiology, Cryobiology, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Sample Return, Status Report

Cytoplasmic Fluidity And The Cold Life: Proteome Stability Is Decoupled From Viability In Psychrophiles

Protein diffusion, critical for cellular metabolism, occurs in the highly crowded cytoplasm. Understanding how this dynamics changes when organisms are adapted to different thermal niches is a fundamental challenge in […]

Posted inAway Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Missions & Hardware, Nomenclature, Systematics, Natural History, Press Release, ROVs/Submersibles/Diving, Sample Return, Tricorders & Sensors, Water/Hycean Worlds & Oceanography

New Deep-sea Species Discovered During Mining Test At 4,000 Meters

There is a high demand globally of critical metals, and many countries want to try extracting these sought-after metals from the seabed. An international study, which has discovered large numbers […]

Posted inAnalog Studies, Away Teams & Field Reports, Biophysics, Biosignatures & Paleobiology, Desert Worlds, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Origin & Evolution of Life, Press Release, Sample Return

The Hidden Viral Network: How Viruses Shape Microbial Adaptability and Biogeochemical Cycling in the Polyextreme Mars-Analog Qaidam Basin Desert

Viruses play essential roles in shaping the structure and function of microbial communities, including those inhabiting extreme environments.

Posted inAnalog Studies, Astronauts and Explorers, Away Teams & Field Reports, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Imaging & Spectroscopy, Microbiology & Virology, People Of Astrobiology, Status Report, Tricorders & Sensors

Away Team Training: Tricorder Use During Cave Microbiology Assay

MBRSC astronaut Mohammad AlMulla took pictures of NASA astronaut Jasmin Moghbeli while she was conducting a microbiological investigation close to the underground base camp in Abel Cave.

Posted inAway Teams & Field Reports, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Lava / magma ocean / Volcanic Worlds, Status Report

Three eruptions At The Fagradalsfjall Volcano In Iceland Show Rapid And Predictable Microbial Community Establishment

How natural environments transition from uninhabited to inhabited is an incompletely understood question in ecology.

Posted inAstropharmacy / Biotechnology, Atmospheres, Climate, Weather, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Mars, Microbiology & Virology, Status Report

Ultrastructure of Serratia liquefaciens Grown at 7 mbar Under Simulated Martian Conditions

Cells of Serratia liquefaciens were grown on trypticase soy agar (TSA) for 28 d under Martian conditions of 7 mbar, 0°C, and CO2-enriched anoxic atmospheres (called Mars low-PTA conditions).

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