A crater at the edge of the Yucatán peninsula in Mexico was created by a massive asteroid that hit Earth 66 million years ago At the end of the Cretaceous Period 66 million years ago, an ...

This 150-kilometer-wide crater lies just off the Yucatan peninsula. Scientists calculate that it was blasted into Earth by a 10-kilometer-wide asteroid or comet traveling 30 kilometers per second ...

The impact left a 124-mile-wide crater underneath the Gulf of Mexico’s Yucatán Peninsula. And, until now, it had been assumed that the asteroid acted alone. This week, scientists at Scotland ...