Posted inBiochemistry & Organic Chemistry, Biosignatures & Paleobiology, Cryobiology, Enceladus, Europa, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Press Release, Radiation, Water/Hycean Worlds & Oceanography

Biosignatures Could Survive Near The Surfaces of Enceladus and Europa

Europa, a moon of Jupiter, and Enceladus, a moon of Saturn, have evidence of oceans beneath their ice crusts. A NASA experiment suggests that if these oceans support life, signatures […]

Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Magnetic Fields, Electromagnetism, bioelectricity,, Press Release, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Water/Hycean Worlds & Oceanography

The Deep-ocean Floor Produces Its Own Oxygen

An international team of researchers, including a Northwestern University chemist, has discovered that metallic minerals on the deep-ocean floor produce oxygen — 13,000 feet below the surface.

Posted inArctic / Antarctic / Alpine, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Cryobiology, Dale Andersen's Field Reports, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Icy Worlds, Microbiology & Virology, Press Release, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Water/Hycean Worlds & Oceanography

Microbial Structures In An Antarctic Lake Could Reveal More About How Life Evolved

By Emma Caton — In the depths of remote Antarctic lakes, communities of microorganisms are thriving where few life forms can survive.

Posted inBiochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, ROVs/Submersibles/Diving, Status Report, Water/Hycean Worlds & Oceanography

The Role of Hydrodynamics For The Spatial Distribution of High-temperature Hydrothermal Vent-endemic Fauna in the Deep Ocean Environment

Active hydrothermal vents provide the surrounding submarine environment with substantial amounts of matter and energy, thus serving as important habitats for diverse megabenthic communities in the deep ocean and constituting […]

Posted inBiochemistry & Organic Chemistry, Biosignatures & Paleobiology, Exploration Gear & Tech, Imaging & Spectroscopy, Microbiology & Virology, Status Report, Tricorders & Sensors, Water/Hycean Worlds & Oceanography

Tricorder Tech: Biosignature Preparation For Ocean Worlds (BioPOW) Instrument Prototype

In situ sampling missions to detect biosignatures on ocean worlds requires thorough sample preparation to manage the expected chemical complexity of such environments. Proposed instruments must be capable of automatic […]

Posted inArctic / Antarctic / Alpine, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Press Release, Water/Hycean Worlds & Oceanography

Ice Planet Update: New Tipping Point Discovered Beneath Earth’s Antarctic Ice Sheet

A new and worrying way that large ice sheets can melt has been characterised by scientists for the first time. The research focuses on how relatively warm seawater can lap […]

Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report, Water/Hycean Worlds & Oceanography

Setting The Stage For The Search For Life With The Habitable Worlds Observatory: Properties Of 164 Promising Planet-survey Targets

The Decadal Survey on Astronomy and Astrophysics 2020 has recommended that NASA realize a large IR/optical/UV space telescope optimized for high-contrast imaging and spectroscopy of ∼25 exo-Earths and transformative general […]

Posted inAway Teams & Field Reports, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Missions & Hardware, Origin & Evolution of Life, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Status Report, Water/Hycean Worlds & Oceanography

The Guaymas Basin – A Hot Spot For Hydrothermal Generation And Anaerobic Microbial Degradation Of Hydrocarbons

Guaymas Basin is a young marginal rift basin in the Gulf of California characterized by active seafloor spreading, rapid deposition of organic-rich sediments, and steep geothermal gradients where sedimentary organic […]

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