An international research team involving the University of Cologne has found a new way to reconstruct how landscapes developed tens of millions of years ago and how long sediments remained […]
geology
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Gaia - Planetary Perspectives, Status Report
Direct Constraints From 1.4 Ga Fluid Inclusions Reveal A Fair Climate And Oxygenated Atmosphere
The Mesoproterozoic eon, often regarded as mundane and static, lays the foundation for dramatic transformations in Earth’s physical and biological evolution during the subsequent Neoproterozoic.
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Cryobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Mapping, Geodesy, Cartography, Bathymetry, Origin & Evolution of Life, Sample Return, Status Report
Subsurface Life On Earth As A Key To Unlock Extraterrestrial Mysteries
The first forms of life on Earth were microbial, preceding the evolution of multicellular life by more than two billion years.
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Astrogeology, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Cryobiology, Desert Worlds, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Mars, Status Report, Terraforming & Geoengineering, Water/Hycean Worlds & Oceanography
A Slash Across Layered Deposits At Mars’ North Pole
Here, a straight-line feature cuts across many layers, seemingly changing their brightness and presumably indicating a major change in the layer properties.
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Desert Worlds, Habitable Zones, Mars, Press Release
Mars’ Salty Secrets: How Ancient Brines Imprinted Their Chemical Fingerprints In Martian Minerals
Jarosite, a sulfate mineral widely detected across the Martian surface, has long been regarded as a key indicator of past aqueous activity.
Posted inAnalog Studies, Astrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Gaia - Planetary Perspectives, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Mars, Meteorites & Asteroids, Press Release, Robotics/Rovers/UAVs, Water/Hycean Worlds & Oceanography
Findings Suggest The Mars Was Warmer And Wetter Millions Of Years Ago
Rocks that stood out as light-colored dots on the reddish-orange surface of Mars now are the latest evidence that areas of the small planet may have once supported wet oases […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Status Report, Water/Hycean Worlds & Oceanography
The Surface and Interior Conditions of Temperate Sub-Neptune TOI-270 d
Sub-Neptune planets, with no analogue in our solar system, provide a wealth of information about exoplanet diversity, formation & evolution, and habitability.
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Missions & Hardware, Origin & Evolution of Life, Press Release, ROVs/Submersibles/Diving, Sample Return, Water/Hycean Worlds & Oceanography
International Research Team Discovers A Potential Source Of Abiotic Methane In The Arctic Ocean
An international team of scientists and students, led by the Arctic University of Norway, and including chemists and engineers from Woods Hole Oceanographic Institution (WHOI), has announced a remarkable discovery […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Desert Worlds, Icy Worlds, Mars, Missions & Hardware, Press Release, Terraforming & Geoengineering
Mars South Pole: Suspected Underground Lake Is Probably A Layer Of Rock And Dust
NASA’s Mars Reconnaissance Orbiter (MRO) has revisited and raised new questions about a mysterious feature buried beneath thousands of feet of ice at the Red Planet’s south pole. In a […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Comets and Asteroids, Exoplanets, -moons, -comets, Status Report
Constructing Earth Formation History Using Deep Mantle Noble Gas Reservoirs
Noble gases are powerful probes of the Earth’s early history, as they are chemically inert. Neon isotopic ratios in deep mantle plumes suggest that nebular gases were incorporated into the […]