Antarctica sea ice melts to a record low
The Antarctic Ocean area covered by ice has shrunk to a record low, exposing the thicker ice shelves buttressing Antarctica's ground ice sheet to waves and warmer temperatures, scientists reported Thursday.
The Antarctic Ocean area covered by ice has shrunk to a record low, exposing the thicker ice shelves buttressing Antarctica's ground ice sheet to waves and warmer temperatures, scientists reported Thursday.
Environment
Feb 16, 2023
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Ice cores are a unique climate archive. Thanks to a new method developed by researchers at the University of Bern and Empa, greenhouse gas concentrations in 1.5 million year old ice can be measured even more accurately. The ...
Earth Sciences
Feb 16, 2023
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Perched next to a river near a glacier's edge in Greenland, Penn biogeochemist Jon Hawkings and Jack Murphy, senior research coordinator in Hawkings' lab, scooped up samples of frigid meltwater, careful to seal the bottles ...
Environment
Feb 14, 2023
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There is currently less sea ice in the Antarctic than at any time in the forty years since the beginning of satellite observation: in early February 2023, only 2.20 million square kilometers of the Southern Ocean were covered ...
Earth Sciences
Feb 10, 2023
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In Antarctica, the second drilling campaign of the Beyond EPICA—Oldest Ice project, at the remote field site Little Dome C, has been successfully completed. This project is an unprecedented challenge for paleoclimatology ...
Earth Sciences
Feb 1, 2023
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In December 1972, NASA's final Apollo mission (Apollo 17) took the iconic "Blue Marble" photo of the whole Earth. Many, including science fiction writer Arthur C. Clarke, had expected that the sight of Earth from afar would ...
Planetary Sciences
Jan 31, 2023
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Satellite imagery confirms an enormous iceberg, around five times the size of Malta, has finally calved from Antarctica's Brunt Ice Shelf. The new berg, estimated to be around 1550 sq km and around 150 m thick, calved when ...
Environment
Jan 24, 2023
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The runaway collapse of the West Antarctic Ice Sheet—which would trigger catastrophic sea level rise—is not "inevitable", scientists said Monday following research that tracked the region's recent response to climate ...
Environment
Jan 22, 2023
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With diminishing ice one of the biggest casualties of our warming world, it's imperative that accurate measurements continue to be made for scientific research and climate policy, as well as for practical applications such ...
Planetary Sciences
Jan 20, 2023
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Satellite mapping technology has discovered another new colony of the highly threatened Emperor penguins in Antarctica, researchers revealed Friday.
Ecology
Jan 20, 2023
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