[Nature] The McMurdo Dry Valleys contain a mosaic of specialized microbial habitats structured by strong physical and chemical gradients.
McMurdo Dry Valleys
Posted inArctic / Antarctic / Alpine
Could Lake Joyce Have Acted As A Long-lived Proglacial Refugium In Antarctica’s McMurdo Dry Valleys?
[Arctic, Antarctic, and Alpine Research] Lake Joyce of the McMurdo Dry Valleys (MDV), Antarctica, contains an endemic copepod population (Diacyclops joycei) that has not been identified from apparently suitable habitats […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Cryobiology, Desert Worlds, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Planetary Protection & Biosafety, Sample Return, Status Report, Tricorders & Sensors
Dew And Frost Do Not Serve As Water Sources For Rock-dwelling Organisms In The Dry Valleys Of Antarctica
Rock-dwelling chlorolichens and cyanobacteria provide most of the total biomass of the ice-free zone of Antarctica, i.e., the McMurdo Dry Valleys (MDV), and yet, the water sources of MDV are […]
Posted inAnalog Studies, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Desert Worlds, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Sample Return, Status Report
Extreme Arabian Environments And Their Microbiomes: New Frontiers For Astrobiology And Biosignature Discovery
Astrobiology assesses the habitability of planetary bodies and the potential for extraterrestrial life.
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Cryobiology, Dale Andersen's Field Reports, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Life Support Systems, Mapping, Geodesy, Cartography, Bathymetry, People Of Astrobiology, Polar / Alpine Expeditions, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Status Report, Tricorders & Sensors, Water/Hycean Worlds & Oceanography
Dale Andersen’s Astrobiology Antarctic Status Report 16 March 2026: Spring Field Season Completed; Preparing The Fall Field Season
Hi Keith, The team and I have been home for about two weeks now, settling back into the familiar rhythms of home and work after our time in Antarctica. Our […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Cryobiology, Dale Andersen's Field Reports, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Life Support Systems, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Origin & Evolution of Life, Press Release, ROVs/Submersibles/Diving, Sample Return, Tricorders & Sensors, Water/Hycean Worlds & Oceanography
Antarctica’s Untersee – A Most Unusual Lake
Scientists estimate that Earth is home to more than 100 million lakes. Among the most unusual is Lake Untersee, one of Antarctica’s largest and deepest surface lakes, known for its […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astronauts and Explorers, Away Teams & Field Reports, Biosignatures & Paleobiology, Cryobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Microgravity, People Of Astrobiology, Press Release, ROVs/Submersibles/Diving, Sample Return, Water/Hycean Worlds & Oceanography
Antarctic Microbial Mats: A Research Dive At Minus 20 Degrees Air Temperature
Lake Fryxell is located in the McMurdo Dry Valley on the Antarctic mainland. The lake is covered year round with four to five metres of ice, and it has some […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Cryobiology, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Status Report
Ice Planet Recon: Glacier Surface Lowering And Subglacial Outflow Coincide With Blood Falls Discharge In The McMurdo Dry Valleys
Blood Falls is a unique feature that appears at the snout of the Taylor Glacier in the upper Taylor Valley, East Antarctica.
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Biosignatures & Paleobiology, Cryobiology, Dale Andersen's Field Reports, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Life Support Systems, Mapping, Geodesy, Cartography, Bathymetry, Origin & Evolution of Life, Planetary Protection & Biosafety, Polar / Alpine Expeditions, Sample Return, Status Report, Tricorders & Sensors, Water/Hycean Worlds & Oceanography
Dale Andersen’s Astrobiology Antarctic Status Report: 19 February 2026: Return Overland Traverse From Lake Untersee
Dale: Arrived UAL airbase about 2:45 on UTC/GMT after a 5 hr 45 min drive across the polar landscape! Very windy morning but great ride back!
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biosignatures & Paleobiology, Cryobiology, Dale Andersen's Field Reports, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Life Support Systems, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Missions & Hardware, People Of Astrobiology, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Sample Return, Status Report, Tricorders & Sensors, Water/Hycean Worlds & Oceanography
Dale Andersen’s Astrobiology Antarctic Status Report: 18 February 2026: Eclipse Watching And Base Camp Packing
Dale: A partial eclipse over Lake Untersee yesterday—an ordinary piece of celestial clockwork that felt anything but ordinary from the icy shores of Lake Untersee in the mountains of Antarctica. […]