Did a Comet Cause a North American Die-Off around 13,000 Years Ago?

Monday, July 20, 2009 - 16:21 in Paleontology & Archaeology

Researchers have found shock-synthesized hexagonal diamonds on one of California's Channel Islands, which they say is the strongest evidence yet that a comet exploded in the atmosphere above North America, causing widespread extinctions there around 12,900 years ago. Skeptics, however, say the debate is far from over. [More]

Read the whole article on Scientific American

More from Scientific American

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net