(Phys.org)—A team of researchers from China and the U.S. has found evidence of ancient weathering in a glacial deposit in China's Hunan province. In their paper published in Proceedings of the National Academy of Sciences, ...
For insight into what can happen when the Earth's carbon cycle is altered -- a cause and consequence of climate change -- scientists can look to an event that occurred some 720 million years ago.
Earth Sciences
May 1, 2010
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The second ice age during the Cryogenian period was not followed by the sudden and chaotic melting-back of the ice as previously thought, but ended with regular advances and retreats of the ice, according to research published ...
Earth Sciences
Aug 24, 2015
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A sulphur-crested cockatoo named Snowball garnered YouTube fame and headlines a decade ago for his uncanny ability to dance to the beat of the Backstreet Boys. Now, researchers reporting in Current Biology on July 8 are back ...
Plants & Animals
Jul 8, 2019
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New details of a nightmare period on Earth with surface conditions as frigid as present-day central Antarctica at the equator have been revealed thanks to the publication of a study of ancient glacier water.
Earth Sciences
Apr 14, 2015
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The hypothesis that the Earth was completely covered in ice 635 million years ago has received a serious blow. The atmospheric concentration of CO2 during that period was much lower than previously thought, according to a ...
Earth Sciences
Oct 12, 2011
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Researchers have discovered what they think are fossils of a unique red algae species that lived about 650 million years ago during a brief respite between some of the most extreme ice ages the world has ever known. The fossils ...
Earth Sciences
Jun 15, 2015
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In a study published in the journal Geology, scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science suggest that the large changes in the carbon isotopic composition of carbonates which ...
Earth Sciences
Jan 27, 2012
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New fossil findings discovered by scientists at UC Santa Barbara challenge prevailing views about the effects of "Snowball Earth" glaciations on life, according to an article in the June issue of the journal Nature Geoscience.
Earth Sciences
May 26, 2009
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It is rather difficult to imagine, but approximately 635 million years ago, ice may have covered a vast portion of our planet in an event called "Snowball Earth." According to the Snowball Earth hypothesis, the massive ice ...
Earth Sciences
Feb 28, 2013
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