An Arizona lawmaker is urging the Trump administration to reconsider federal land protections near the Grand Canyon to allow for mining.

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

The Moon is no stranger to being struck by huge lumps of space rock. In fact, new research has shown that, nearly four ...

About 35 million years ago, an asteroid struck the ocean off the East Coast of North America, leaving behind a massive impact ...

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