YR4 does smash down on the lunar surface, the explosion might be visible from Earth and would leave a new crater on the near ...

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

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

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

A colossal impact billions of years ago carved out the canyons that rival the most breathtaking features here on Earth in a ...

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

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

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