Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

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 ...

A midair collision at the Grand Canyon killed over 100. The disaster partially led to the start of the FAA and changed air traffic control laws.

Arizona may officially be the Grand Canyon State and for good reason. But there are other nicknames associated with the state. Do you know them?

Scientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...

Federal judge dismisses Arizona GOP lawsuit challenging Biden's designation of Baaj Nwaavjo I'tah Kukveni National Monument ...

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

Looking for some bucket-list travel ideas? You can't go wrong with these natural wonders—though you might not believe your ...

The gigantic cataclysm, which released energy 130 times more powerful than the detonation of the entire world’s atomic ...

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

Caleb Shaw, the nephew of head coach Bryce Drew and son of assistant Casey Shaw, has given Grand Canyon's basketball's bench ...