[Dale Andersen] : Hi Keith, A quick note while the base WiFi is up and running. We spent the last two days digging out the entrance to our hut, removing […]
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Posted inDale Andersen's Field Reports
Astrobiologist Dale Andersen’s Antarctic Field Report: 26 October 2026: Flying South
Keith’s note: This report may be updated over the course of the day. Dale’s departure from Cape Town was scheduled for 10:00 am Local time but ended up at 10:28 […]
Posted inDale Andersen's Field Reports
Astrobiologist Dale Andersen’s Antarctic Field Report: 25 October 2026: Hurry Up And Wait
Dale Andersen: “Hurry up and wait.” Anyone who works in the polar regions knows the phrase, and knows the experience: storms, blowing snow, and low visibility set the schedule.
Posted inDale Andersen's Field Reports
Astrobiologist Dale Andersen’s Antarctic Field Report: 20 Oct 2026: Wheels Down In Cape Town
[Dale Andersen]: The 787 Dreamliner rolled to a stop far out on the apron, as the big jets often do here, and I climbed down into a gray afternoon and […]
Posted inDale Andersen's Field Reports
Astrobiologist Dale Andersen’s Antarctic Field Report: Preview: Fall 2026 Lake Untersee Field Season
Keith’s note: Dale Andersen is preparing for his second expedition to Lake Untersee, Antarctica for 2026. The first 2026 Field season at Lake Untersee was conducted from January – March […]
![Latitude-longitude maps of mean water vapour and hydrogen chloride volume mixing ratios and coefficient of variation (standard deviation divided by the mean) in percentage form at 20.91 km altitude. The values are calculated over four Venus solar days (468 Earth days). --[astro-ph.EP]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/10/How-long.png?resize=1200%2C717&ssl=1)
Posted inVenus
How Long Could Volcanic Plumes Persist In The Venus Atmosphere?
[astro-ph.EP] Resolving the ambiguity surrounding current Venusian volcanism is a primary objective for upcoming missions like EnVision and VERITAS.
![A heterotrophic ecosystem enabled by fermentation on Enceladus. [astro-ph.EP]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/10/Fermentation.png?resize=1200%2C720&ssl=1)
Posted inEnceladus
Fermentation Heterotrophy Can Reproduce Enceladus’s H2 And CH4 Under Limited Serpentinization
[astro-ph.EP] Saturn’s icy moon Enceladus is a prime target in the search for life beyond Earth. Abundant H2 and CH4 in Enceladus’s south-polar plume have been shown to be consistent […]
Posted inAtmospheres, Climate, Weather
Where Does Earth’s Nitrogen Go? Two Atoms Offer A Clue
[Science] Nitrogen is one of life’s building blocks, but it’s only helpful in the right amounts. Too much nitrogen in water, for example, can lead to poor water quality and […]
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 […]