Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

Two canyons that splay out from a vast asteroid crater on the moon may have been quickly formed by chains of impacts that ...