Add Yahoo as a preferred source to see more of our stories on Google. New research finds shocked quartz at key sites, strengthening the case for a comet airburst during Ice Age extinctions. (CREDIT: ...
At the end of the Pleistocene period, approximately 12,800 years ago — give or take a few centuries — a cosmic impact triggered an abrupt cooling episode that earth scientists refer to as the Younger ...
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Shocking Evidence of ‘Doomsday Comet’ That Destroyed Ancient US Civilization Found at Key Archaeological Sites
The end of thePleistocene, marked by the Younger Dryas (YD) onset around 12.8 thousand years ago, witnessed the sudden extinction of many North American megafauna and the collapse of the Clovis ...
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