The mysterious Hiawatha crater in Greenland is 58 million years old

The powerful impact that created a mysterious crater at the northwestern edge of Greenland’s ice sheet happened about 58 million years ago, researchers report March 9 in Science Advances.

That timing, confirmed by two separate dating methods, means that the asteroid or comet or meteorite that carved the depression struck long before the Younger Dryas cold snap about 13,000 years ago. Some researchers have suggested the cold spell was caused by such an impact.

Sign Up For the Latest from Science News

Headlines and summaries of the latest Science News articles, delivered to your inbox

→ Continue reading at Science News

More from author

Related posts

Advertisment

Latest posts

Live updates: U.S. House approves Russia oil import ban bill

By The Associated PressThe latest developments on the Russia-Ukraine war: WASHINGTON — The U.S. House overwhelmingly approved legislation that would ban Russian oil imports...

Analysis: Russia and QAnon have the same false conspiracy theory about Ukraine

QAnon's core prophecy has always been that there is a "plan" and that former President Donald Trump will rid the world of an evil...

Murder charge dismissed against San Jose woman in shootout that killed 13-year-old

SAN JOSE — A judge on Tuesday dismissed a murder charge against a San Jose woman who had claimed self defense in a shootout...