Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, and many other large animals went extinct. Around the same time, the Clovis ...
A long-debated platinum spike in Greenland ice is best explained by volcanic activity rather than a cosmic impact, reshaping ideas about what triggered the Younger Dryas cooling. An unusual platinum ...
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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 ...
(Santa Barbara, Calif.) — Touchdown airbursts — a type of cosmic impact that may be more common than the crater-forming, dinosaur-killing kind — remain somewhat less understood. UC Santa Barbara Earth ...
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