Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Habitable Zones, Impact events, Lava / magma ocean / Volcanic Worlds, Moon, Status Report

Onset Of Habitable Conditions On The Hadean Earth Set By Feedback Between Tides And Greenhouse Forcing

In the aftermath of the Moon-forming giant impact, the Hadean Earth’s mantle and surface crystallized from a global magma ocean blanketed by a dense volatile-rich atmosphere.

Posted inAtmospheres, Climate, Weather, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Fossils & Paleontology, Imaging & Spectroscopy, Impact events, Status Report

Shocked Quartz At The Younger Dryas Onset Supports Cosmic Airbursts/Impacts

Shocked quartz grains are an accepted indicator of crater-forming cosmic impact events, which also typically produce amorphous silica along the fractures. Furthermore, previous research has shown that shocked quartz can […]

Posted inAway Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Impact events, Meteorites & Asteroids, Microbiology & Virology, People Of Astrobiology, Polar / Alpine Expeditions, Press Release, Sample Return

Discovery Links Microbial Colonization To An Ancient Meteorite Crater

In a scientific breakthrough with cosmic implications, researchers have, for the first time, precisely dated the emergence of microbial life within a meteorite impact crater—revealing that life not only survives […]

Posted inAstrochemistry, Astrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Comets and Asteroids, Habitable Zones, Icy Worlds, Impact events, Status Report, Water/Hycean Worlds & Oceanography

Isotopic Composition Of Cometary Water And The Origin Of Earth’s Oceans

Studies of the water content and isotopic composition of water-rich asteroids and comets are of key interest for understanding the late accretion stage of the Solar System cometary and chondritic […]

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