News tagged with cosmic impact

Multiple cosmic impacts 790,000 years ago

Approximately 790,000 years ago, there were multiple cosmic impacts on earth with global consequences. Geoscientists from Heidelberg University reached this conclusion after dating so-called tektites from various parts of ...

dateFeb 24, 2016 in Earth Sciences
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A cataclysmic event of a certain age

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 Dryas.

dateJul 27, 2015 in Earth Sciences
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Study supports theory of extraterrestrial impact

A 16-member international team of researchers that includes James Kennett, professor of earth science at UC Santa Barbara, has identified a nearly 13,000-year-old layer of thin, dark sediment buried in the floor of Lake Cuitzeo ...

dateMar 05, 2012 in Earth Sciences
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