Sixty-six million years ago, an asteroid thought to be around 12 kilometers (7.4 miles) in diameter impacted the Earth, ...

On a spring day some 66 million years ago, a six-mile-wide asteroid smashed down just north of what is now Mexico’s Yucatan Peninsula. This sudden impact created tsunamis stretching one mile ...

The Earth bears geologic evidence of past cosmic impacts, such as the 125-mile-wide Chixculub Crater in Mexico’s Yucatan Peninsula, which was the likely impact site of the 6-mile-wide asteroid ...

Well, except, of course, for one. Maybe you've heard about the asteroid that killed all the dinosaurs 66 million years ago.

February, headlines around the world buzzed about the potential for an asteroid to hit the Earth in 2023—specifically, ...

Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation ...

YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...

Maybe you've heard about the asteroid that killed all the dinosaurs 66 million years ago. The impact caused the Chicxulub crater, on the Yucatán Peninsula in Mexico. That asteroid was nearly ...