Plunge in CO2 put the freeze on AntarcticaAtmospheric carbon dioxide levels plunged by 40% before and during the formation of the Antarctic ice sheet 34 million years ago, according to a new study. The finding helps solve ...
Earth Sciences
Dec 1, 2011
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Computational modeling that examines evidence of how hominin groups evolved culturally and biologically in response to climate change during the last Ice Age also bears new insights into the extinction of Neanderthals. Details ...
Archaeology
Nov 17, 2011
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(PhysOrg.com) -- A University of Southampton archaeologist and Oxford Archaeology have found evidence that Neanderthals were living in Britain at the start of the last ice age, 40,000 years earlier than previously thought.
Archaeology
Jun 1, 2010
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In an analysis of the past 1.2 million years, UC Santa Barbara geologist Lorraine Lisiecki discovered a pattern that connects the regular changes of the Earth's orbital cycle to changes in the Earth's climate. The finding ...
Earth Sciences
Apr 6, 2010
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Geologists have found evidence that sea ice extended to the equator 716.5 million years ago, bringing new precision to a "snowball Earth" event long suspected to have taken place around that time.
Earth Sciences
Mar 4, 2010
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During the last ice age, massive glaciers covered much of our planet. However, a region of Alaska, Siberia and the Canadian Yukon remained ice-free. This region, known as Beringia, supported unique organisms and was an important ...
Earth Sciences
Oct 29, 2009
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Around 650 million years ago, the Earth entered into the Marinoan glaciation that saw the entire planet freeze. The "Snowball Earth" impeded the evolution of life. But as it warmed, biotic life began to flourish. A research ...
Earth Sciences
Aug 27, 2021
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The Sturtian Snowball Earth glaciation (~717-660 million years ago) represents the most severe icehouse climate in Earth's history. Geological evidence indicates that, during this glaciation, ice sheets extended to low latitudes, ...
Earth Sciences
May 11, 2021
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An international team of scientists discovered a surprisingly strong regional sea-level rise which occurred during the onset of Antarctic glaciation about 34 million years ago, while the global sea-level on average lowered. ...
Earth Sciences
Apr 22, 2013
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(PhysOrg.com) -- Researchers from the University of Birmingham and other UK universities describe the evolution and assembly of a stream ecosystem in South East Alaska in new de-glaciated terrain, from early insect and crustacean ...
Environment
Oct 18, 2011
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