An unknown culprit has been removing oxygen from our atmosphere for at least 800,000 years, and an analysis of air bubbles preserved in Antarctic ice for up to 1.5 million years has revealed the likely suspect.
Earth Sciences
Dec 20, 2021
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1861
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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9
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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9
Southeastern Tibet is one of the most glaciated regions on the Tibetan Plateau both at present and during the Quaternary. Numerical dating of glacial deposits has allowed the establishment of a provisional chronology of Quaternary ...
Earth Sciences
Apr 19, 2021
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5
About 466 Mya, a major impact event took place between the orbits of Mars and Jupiter. Space dust spread all across the Solar System, and some of it was found near Saint Petersburg, Russia, and in the south of Sweden. An ...
Archaeology
Oct 3, 2019
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17
An international research team used a computer model to reconstruct the history of glaciation in the Alps, visualising it in a two-minute computer animation. The simulation aims to enable a better understanding of the mechanisms ...
Earth Sciences
Nov 6, 2018
1
137
Chile and Argentina may face critical water storage issues due to rain-bearing westerly winds over South America's Patagonian Ice-Field to moving south as a result of global warming.
Earth Sciences
Jul 29, 2013
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0
A team of U.S. and U.K. scientists has found geologic evidence that casts doubt on one of the conventional explanations for how Antarctica's ice sheet began forming. Ian Dalziel, research professor at The University of Texas ...
Earth Sciences
Jul 11, 2013
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0
(Phys.org) —What happened the last time a vegetated Earth shifted from an extremely cold climate to desert-like conditions? And what does it tell us about climate change today?
Earth Sciences
May 20, 2013
2
0
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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