Arctic / Antarctic / Alpine
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrogeology, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Impact events, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Polar / Alpine Expeditions, Sample Return, Status Report

Mineralogy, Geochemistry And Morphology Of Arctic Gossans On Axel Heiberg Island, NU, Canada: Spectroscopic Investigation And Implications For Mars

by Keith Cowing

Gossans are formed through the oxidation of sulfide ore deposits by fluids, such as meteoric water or hydrothermal solutions, leading to locally acidic conditions.

Posted inArctic / Antarctic / Alpine, Away Teams & Field Reports, Biosignatures & Paleobiology, Exploration Gear & Tech, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Microbiology & Virology, Origin & Evolution of Life, Press Release, ROVs/Submersibles/Diving, Sample Return

Viruses in Polar Oceans Follow Rhythms Of Earth’s Seas

by Keith Cowing

Viruses in the cold waters of the Arctic are strongly seasonal and are also detected in the Antarctic.

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Icy Worlds, Sample Return, Status Report

Draft Genome Sequence Of An Uncultured Archaeon From Antarctic Endolithic Communities

by Keith Cowing

A draft genome sequence was assembled and annotated for an uncultured archaeon reconstructed from shotgun metagenomes obtained from Antarctic endoliths.

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

Idiomarina aminovorans sp. nov., A Halophilic Bacterium Isolated From The Llamara Salt Pan In The Atacama Desert Of Northern Chile

by Keith Cowing

The Atacama Desert, one of the most extreme environments on our planet, harbors a plethora of unique microbial communities adapted to the harsh conditions of the habitat.

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrogeology, Astronauts and Explorers, Atmospheres, Climate, Weather, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Exploration Gear & Tech, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, People Of Astrobiology, Sample Return, Status Report, Tricorders & Sensors

Tricorder Microscope Training During ESA PANGEA 2025

by Keith Cowing

Editor’s note: Astronaut Thomas Pesquet carries out investigations with the spectrometer associated with the ESA Electronic FieldBook

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Atmospheres, Climate, Weather, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Origin & Evolution of Life, Press Release

Decoding Ladakh’s Hot Springs Could Help Trace The Origins Of Life On Early Earth And Mars

by Keith Cowing

In the icy high-altitude valleys of Ladakh, India, a natural hot spring in Puga valley may be holding secrets from the very dawn of life on Earth.

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Icy Worlds, Microbiology & Virology, Press Release, Water/Hycean Worlds & Oceanography

Ocean Sugars Are Responsible For A Large Part Of The Ice Nuclei In Clouds Over Southern Oceans

by Keith Cowing

Current climate models have so far been unable to adequately reproduce the clouds over the Southern Ocean around Antarctica. An international team has now taken an important step towards filling […]

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Cryobiology, Enceladus, Europa, Ganymede, Icy Worlds, Press Release, Titania, Water/Hycean Worlds & Oceanography

A Thermodynamic Perspective On Potential Life In Icy Ocean Worlds

by Keith Cowing

Dr. Seda Işık, who completed her doctorate at Istanbul Technical University (ITU) Eurasia Institute of Earth Sciences in the Earth System Science Program, achieved significant results in interpreting chemical evidence […]

Posted inArctic / Antarctic / Alpine, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biophysics, Cryobiology, Extremeophiles and Extreme Environments, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Microbiology & Virology, Polar / Alpine Expeditions, Press Release, Sample Return

Ice World Microbiology: Cryorhodopsins

by Keith Cowing

Imagine the magnificent glaciers of Greenland, the eternal snow of the Tibetan high mountains, and the permanently ice-cold groundwater in Finland. As cold and beautiful these are, for the structural […]

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