What wiped out the dinosaurs? A meteorite plummeting to Earth is only part of the story, a new study suggests. Climate change triggered by massive volcanic eruptions may have ultimately […]
volcano
Posted inImaging & Spectroscopy, Io, Jupiter, Missions & Hardware, Status Report
Volcano World Io As Seen By Juno
NASA’s Juno spacecraft just made the closest flybys of Jupiter’s moon Io that any spacecraft has carried out in more than 20 years. An instrument on this spacecraft called “JunoCam” […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Missions & Hardware, Origin & Evolution of Life, Press Release, Terraforming & Geoengineering, Venus
ESA Approves EnVision Mission To Venus – The Closest Planet To Earth
ESA’s next mission to Venus was officially ‘adopted’ today by the Agency’s Science Programme Committee. EnVision will study Venus from its inner core to its outer atmosphere, giving important new […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Caves, Craters, Mountains, Subsurface, Lava Tubes, Exploration Gear & Tech, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Press Release, Robotics/Rovers/UAVs
Antarctic Away Team Mission: Ice Caves Near An Active Volcano In Antarctica
In 2017 a JPL robotics researcher tested new technologies in ice caves near an active volcano in Antarctica. Mt. Erebus is at the end of our world — and offers […]
Posted inAstrogeology, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biophysics, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Extremeophiles and Extreme Environments, Habitable Zones, Microbiology & Virology, Origin & Evolution of Life, Press Release
Yellowstone Hydrothermal System Examined In Unprecedented Detail
University of Wyoming Department of Geology and Geophysics Professor Ken Sims made his mark as a National Geographic Explorer conducting research in some of the world’s most extreme locations, from […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Habitable Zones, Press Release
Massive 2022 Hunga Tonga-Hunga Ha’apai Eruption Reduced Earth’s Ozone Levels
When the Hunga Tonga-Hunga Ha’apai volcano erupted on January 15, 2022 in the South Pacific, it produced a shock wave felt around the world and triggered tsunamis in Tonga, Fiji, […]
![(A) The Marsili Basin lies in ~3000 m water depth in the Tyrrhenian Sea. Ocean Drilling Program Leg 107 Sites 650 and 651 marked as red circles. Red box shows map in (B). Campi Flegrei (CF) fields (source of 39.8 ka Campanian Ignimbrite and 14.9 ka Neapolitan Yellow Tuff) shown with nearby submarine canyons (Dohrm [DC] and Magnaghi [MC]) as yellow lines. Ve—Vesuvius; SC—Stromboli Canyon. (B) CHIRP subbottom profiles shown as white dashed lines. Continuous white lines involved the acquisition of additional airgun seismic data. Bathymetry is a merged dataset of a 40-m grid CHIANTI multibeam bathymetry together with EMODNET bathymetry (EMODnet Bathymetry Consortium, 2020). Contour interval is 1000 meters. Figure 2 is E-W profile through Site 650. -- Geology](https://i0.wp.com/astrobiology.com/wp-content/uploads/2023/11/Newstudyreveals.png?resize=1200%2C720&ssl=1)
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Extinction events, Press Release
New Study Reveals Evidence Of Recurring Ancient Supereruption
Researchers have discovered a series of large undersea sediment deposits in a region near Italy that were likely formed by an ancient volcanic supereruption.
Posted inAway Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extinction events, Planetary Protection & Biosafety
Astrobiology Away Team Opportunity On A New Island Off The Coast Of Japan?
Editor’s note: While this new island is close to an existing island – surrounded by ocean – it will be more or less sterile for a while as the lava […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Press Release
Ancient Carbon In Rocks Releases As Much Carbon Dioxide As The World’s Volcanoes
A new study led by the University of Oxford has overturned the view that natural rock weathering acts as a CO2 sink, indicating instead that this can also act as […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Extinction events, Impact events, Press Release
Cornell Fills Data Gap For Volcanic Ash Effects On Earth Systems
Volcanic ash is no ordinary dust: It gets injected into the atmosphere, climbs to the stratosphere, impacts climate, powders roadways and clogs jet engines.