Arctic Ocean
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Extremeophiles and Extreme Environments, Habitable Zones, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Origin & Evolution of Life, ROVs/Submersibles/Diving, Sample Return, Status Report, Water/Hycean Worlds & Oceanography

Aurora Vent Field Is A Hotspot For Microbial Hydrogen Oxidation In The Arctic Ocean

by Keith Cowing

Molecular hydrogen (H2) is a widespread, energetically efficient reductant supporting microbial metabolism across most known ecosystems. Although seafloor hydrothermal vents are major energy providers for H2-oxidizing microorganisms, the diversity of […]

Posted inArctic / Antarctic / Alpine, Away Teams & Field Reports, Biosignatures & Paleobiology, Exploration Gear & Tech, Genomics, Proteomics, Bioinformatics, Habitable Zones, Icy Worlds, Microbiology & Virology, Origin & Evolution of Life, Press Release, ROVs/Submersibles/Diving, Sample Return

Viruses in Polar Oceans Follow Rhythms Of Earth’s Seas

by Keith Cowing

Viruses in the cold waters of the Arctic are strongly seasonal and are also detected in the Antarctic.

Posted inArctic / Antarctic / Alpine, Atmospheres, Climate, Weather, Away Teams & Field Reports, Exploration Gear & Tech, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Nomenclature, Systematics, Natural History, ROVs/Submersibles/Diving, Status Report, Water/Hycean Worlds & Oceanography

Ocean World Cartography: The International Bathymetric Chart of the Arctic Ocean Version 5.0

by Keith Cowing

Knowledge about seafloor depth, or bathymetry, is crucial for various marine activities, including scientific research, offshore industry, safety of navigation, and ocean exploration.

Posted inAtmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Enceladus, Europa, Extremeophiles and Extreme Environments, Gaia - Planetary Perspectives, Icy Worlds, Press Release, Water/Hycean Worlds & Oceanography

Earth’s Northernmost Seafloor Hydrothermal System Shows Even More Variety In Vent Styles Than Expected

by Keith Cowing

A new study about Earth’s northernmost seafloor hydrothermal system shows even more variety in vent styles than previously thought. This has important implications for understanding the origin of these vents […]

Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biophysics, Biosignatures & Paleobiology, Cryobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Icy Worlds, Microbiology & Virology, Plant Biology, Press Release, ROVs/Submersibles/Diving, Sample Return, Water/Hycean Worlds & Oceanography

Iceworld Update: Photosynthesis in Near Darkness

by Keith Cowing

Photosynthesis can take place in nature even at extremely low light levels. This is the result of an international study that investigated the development of Arctic microalgae at the end […]

Posted inBiogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Imaging & Spectroscopy, Microbiology & Virology, Status Report, Water/Hycean Worlds & Oceanography

Orbital Biosignature Survey: A Bright Blue Coccolithophore Bloom In The Barents Sea

by Keith Cowing

When summer arrives at high northern latitudes, peripheral seas to the Arctic Ocean lose some of their ice cover and bask in long daylight hours. That’s when phytoplankton—microscopic plant-like organisms […]

Posted inAway Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Press Release, ROVs/Submersibles/Diving, Water/Hycean Worlds & Oceanography

Arctic Mid-Ocean Ridge Sediment Cores Shed Light On Past Hydrothermal Activity

by Keith Cowing

In new research led by USGS, scientists analyzed cores collected from Loki’s Castle vent field, a high-temperature hydrothermal system deep beneath the Arctic Ocean northeast of Greenland, uncovering a unique […]

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