Antarctic sea ice hits lowest winter maximum on record: US data
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.
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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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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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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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
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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
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26
The Totten Glacier, located in the East Antarctica Ice Sheet, is also a major contributor to global sea-level rise. However, the details of how offshore ocean heat reaches the glacier's ice shelf cavity remain elusive. Now, ...
Earth Sciences
Aug 22, 2023
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38
It is a scientific certainty that Mars was once a much different place, with a denser atmosphere, warmer temperatures, and where water once flowed. Evidence of this past is preserved in countless surface features, ranging ...
Planetary Sciences
Aug 18, 2023
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A telecommunications fiber optic cable deployed offshore of Oliktok Point, Alaska recorded ambient seismic noise that can be used to finely track the formation and retreat of sea ice in the area, researchers report in The ...
Earth Sciences
Aug 9, 2023
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50
Earth's climate is changing rapidly. In some areas, escalating temperatures are increasing the frequency and likelihood of wildfires and drought. In others, they are making downpours and storms more intense or accelerating ...
Earth Sciences
Aug 9, 2023
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32
A subpolar species associated with Atlantic water expanded far into the Arctic Ocean during the Last Interglacial, analysis of microfossil content of sediment cores reveals. This implies that summers in the Arctic were ice ...
Ecology
Aug 4, 2023
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410