Four dozen Antarctic ice shelves have shrunk by at least 30% since 1997 and 28 of those have lost more than half of their ice in that time, reports a new study that surveyed these crucial "gatekeepers'' between the frozen ...
Environment
Oct 15, 2023
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208
According to scientists, 71 of the 162 ice shelves that surround Antarctica have reduced in volume over 25 years from 1997 to 2021, with a net release of 7.5 trillion metric tons of meltwater into the oceans. The work is ...
Earth Sciences
Oct 12, 2023
3
234
An international team led by Dr. Florian Peißker at the University of Cologne's Institute of Astrophysics has analyzed in detail a young star cluster in the immediate vicinity of the super massive black hole Sagittarius ...
Astronomy
Oct 10, 2023
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39
All particles that reach the atmosphere cause different chemical reactions. Particles come partly from natural sources such as volcanic eruptions and forest fires, and partly from pollution and emissions. Aerosol researcher ...
Earth Sciences
Oct 9, 2023
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5
The sea ice around Antarctica likely had a record low surface area when it was at its maximum size this winter, a preliminary US analysis of satellite data showed Monday.
Environment
Sep 26, 2023
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96
While the surface of the moon has been mapped in incredible detail over the last several decades, one region has eluded orbital cameras due to the lack of sunlight, which are aptly called the permanently shadowed regions ...
Planetary Sciences
Sep 26, 2023
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1
The grounding line of the southern Ronne Ice Shelf in Antarctica can shift up to 15 km with changing tides, new analysis shows. The research, published today in The Cryosphere, examines the key region where land-based Antarctic ...
Earth Sciences
Sep 26, 2023
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2
The melting of the supergiant iceberg A-68 had a huge impact on the ocean around South Georgia, in sub-Antarctica, and significantly changed the Southern Ocean's temperature and saltiness, with potentially major consequences ...
Earth Sciences
Sep 22, 2023
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19
Most of the moon's permanently shadowed areas arose less than 2.2 billion years ago and some trapped ice during the recent past, according to research led by Planetary Science Institute Senior Scientist Norbert Schorghofer.
Planetary Sciences
Sep 13, 2023
0
118
Helpless emperor penguin chicks perished at multiple breeding grounds in West Antarctica late last year, drowning or freezing to death when sea ice eroded by global warming gave way under their tiny feet, scientists said ...
Ecology
Aug 27, 2023
0
26
