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 ...

The impact left a 124-mile-wide crater underneath the Gulf of Mexico’s Yucatán Peninsula ... have published new three-dimensional images of a crater made by a second asteroid that hit Earth ...

For decades, the disappearance of dinosaurs has been tied to the Chicxulub asteroid, whose crater lies partly beneath ...