Research reveals that an asteroid collision billions of years ago created a pair of grand canyons on the far side of the moon. U.S. and British scientists utilized photos and data from NASA’s Lunar ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico ...

With its glaciers and sub-zero temperatures, Antarctica hardly seems like a place of refuge. However, the now icy continent ...