Huge Crater Suggests a Second Asteroid Hit Earth at the End of the Dinosaurs - Gizmodo

The newly discovered Nadir crater off the coast of Africa dates to the same time as the famous Chicxulub impact, which killed off most life on Earth.

Researchers say theyve discovered a large impact crater on the Atlantic seafloor that appears to be 66 million years old. That means whatever made this crater would have hit Earth around the same tim… [+3854 chars]

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