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

While a visit to the Grand Canyon is mesmerizing and worthwhile, it's not necessarily easy. We consider the closest and most ...

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 ...

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

Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks ...

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

I’ve been reading a book. I’m about two-thirds of the way through it and have been enjoying it. It’s titled “A Walk in the ...