In an Earth-analogue atmosphere, water vapour is a key carrier of hydrogen in the lower atmosphere with its transport above the tropopause controlling the atmospheric hydrogen escape rate.
Analog Studies
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 inAnalog Studies, Arctic / Antarctic / Alpine, Astronauts and Explorers, Away Teams & Field Reports, Caves, Craters, Mountains, Subsurface, Lava Tubes, Desert Worlds, Exploration Gear & Tech, Habitable Zones, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Mars, Microbiology & Virology, Planetary Protection & Biosafety, Polar / Alpine Expeditions, Press Release, Sample Return
Caves On Earth As Proxies For Martian Subsurface Environments
On planet Earth, the inner part of cave systems represents an extreme and isolated environment, characterized by relatively stable microclimatic conditions, nutrient limitation and protection from external stressors such as […]
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 inAnalog Studies, Astronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report, Venus
Venus As An Exoplanet Analog: Extended UV Transit Signatures And Coronal Occultations
Stellar activity manifests differently across wavelengths, causing flux variability that can obscure planetary transits. While transit observations are typically performed in the visible and infrared bands, where stellar flux is […]
Posted inAnalog Studies, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Life Support Systems, Microbiology & Virology, Microgravity, Status Report
mGem: Submarine Mycology — An Analog To Astromycology
Submarines and spacecraft share several features that may promote the presence of fungi, including recirculated ventilation systems, moist areas, and close-quarters living. /m In this article, we introduce the idea […]
Posted inAnalog Studies, Away Teams & Field Reports, Caves, Craters, Mountains, Subsurface, Lava Tubes, Mars, Moon, NASA Astrobiology Program, Status Report, Video, Audio, Webcasts, Podcasts
Webinar: Inside NASA’s Prep For The Moon, Mars, And The Search For life
How does NASA prepare to explore the Moon, Mars and Ocean Worlds? For scientists like Bethany Theiling, it starts by venturing into Earth’s most extreme spots.
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrogeology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Europa, Exploration Gear & Tech, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Impact events, Mapping, Geodesy, Cartography, Bathymetry, Mars, Missions & Hardware, Origin & Evolution of Life, Polar / Alpine Expeditions, Press Release, Water/Hycean Worlds & Oceanography
Europa’s Spider-like Features And The Potential For Life
From Europa to other icy moons, scientists are studying how surface features form and what they might reveal about the potential for life.
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrogeology, Away Teams & Field Reports, Biosignatures & Paleobiology, Meteorites & Asteroids, Sample Return, Status Report
Antarctic Search for Meteorites Program (ANSMET) 2025-26 Field Season Cancellation
Antarctic Meteorite Newsletter – Volume 48 No. 2 November 2025