Posted inAnalog Studies, Arctic / Antarctic / Alpine, Atmospheres, Climate, Weather, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biophysics, 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, Nomenclature, Systematics, Natural History, Press Release, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Tricorders & Sensors, Water/Hycean Worlds & Oceanography

Dale Andersen’s Astrobiology Antarctic Status Report: 23/24 October 2024: Traverse Update

Keith’s note: Astrobiologist Dale Andersen is back in Antarctica at Lake Untersee in October-December 2024 for another field season of research (preview). Dale’s work is coordinated through the SETI Institute. We’ll be posting […]

Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Callisto, Cryobiology, Europa, Ganymede, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Status Report, Water/Hycean Worlds & Oceanography

LunaIcy: Exploring Europa’s Icy Surface Microstructure through Multiphysics Simulations

A multiphysics simulation model incorporating a sintering model coupled with the MultIHeaTS thermal solver was developed to study the evolution of icy moons’ microstructure.

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Atmospheres, Climate, Weather, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, 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, Nomenclature, Systematics, Natural History, Polar / Alpine Expeditions, ROVs/Submersibles/Diving, Status Report, Tricorders & Sensors, Water/Hycean Worlds & Oceanography

Dale Andersen’s Astrobiology Antarctic Status Report: 20 October 2024: Arrival at Novolazarevskaya Station, Antarctica

Keith’s note: Astrobiologist Dale Andersen is back in Antarctica at Lake Untersee in October-December 2024 for another field season of research (preview). Dale’s work is coordinated through the SETI Institute. We’ll be posting […]

Posted inAway Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Lava / magma ocean / Volcanic Worlds, Nanotechnology & SynBio, Press Release, ROVs/Submersibles/Diving, Water/Hycean Worlds & Oceanography

Ideas On Abiotic Organic Synthesis Based On Oceanic Crust Findings

Recently, a Chinese research team reported the discovery of abiotic organic compounds in the oceanic crust of the Southwest Indian Ridge and proposed a molecular mechanism for organic condensation.

Posted inAway Teams & Field Reports, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Press Release, ROVs/Submersibles/Diving, Water/Hycean Worlds & Oceanography

Hidden Ecosystems Discovered In Earth’s Seafloor Beneath Hydrothermal Vents

The idea of secret worlds beneath the Earth has long been the stuff of science fiction. But new research reveals it’s not as far-fetched as it might appear. Worms and […]

Posted inAtmospheres, Climate, Weather, Exoplanets, -moons, -comets, Habitable Zones, Status Report, Water/Hycean Worlds & Oceanography

Signature of Vertical Mixing in Hydrogen-dominated Exoplanet Atmospheres

Vertical mixing is a crucial disequilibrium process in exoplanet atmospheres, significantly impacting chemical abundance and observed spectra. While current state-of-the-art observations have detected its signatures, the effect of vertical mixing […]

Posted inAnalog Studies, Atmospheres, Climate, Weather, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Habitable Zones, Icy Worlds, Lava / magma ocean / Volcanic Worlds, Mapping, Geodesy, Cartography, Bathymetry, Nomenclature, Systematics, Natural History, Press Release, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Tricorders & Sensors, Water/Hycean Worlds & Oceanography

Animal Life Discovered Below The Seafloor at Hydrothermal Vents

The discovery of animal life below the seafloor at hydrothermal vents in the East Pacific Rise is reported in a Nature Communications paper. The research sheds new light on the […]

Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Extinction events, Gaia - Planetary Perspectives, Habitable Zones, Imaging & Spectroscopy, Impact events, Lava / magma ocean / Volcanic Worlds, Status Report, Terraforming & Geoengineering, Water/Hycean Worlds & Oceanography

X-Raying Neutral Density Disturbances in the Mesosphere and Lower Thermosphere induced by the 2022 Hunga-Tonga Volcano Eruption-Explosion

We present X-ray observations of the upper atmospheric density disturbance caused by the explosive eruption of the Hunga Tonga-Hunga Ha’apai (HTHH) volcano on 15 January 2022.

Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Europa, Icy Worlds, Imaging & Spectroscopy, Status Report, Water/Hycean Worlds & Oceanography

Hubble’s Ultraviolet Observations Reveal Hydrogen and Oxygen at Europa

Ultraviolet observations made by NASA’s Hubble Space Telescope in 2012 illustrate two key elements in the thin atmosphere of Jupiter’s moon Europa: hydrogen and oxygen. A white circle indicates the […]

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