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

From the highest peaks to the deepest chasms, the 7 natural wonders of the world will make you want to lace up your exploring ...

Ever wonder what the deepest lake in Arizona is? Here's what you want to know about the top spot for swimming, boating and more in Arizona.

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...