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

If you're looking for the ultimate outdoor photo spot, Utah has vibrant purple mountains - and they're near the state's mini" Grand Canyon too!

A federal judge says Arizona lawmakers and others lacked standing to sue the Biden administration over its creation of a new ...

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

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

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

A federal judge has rejected a lawsuit by Arizona lawmakers challenging former President Joe Biden’s designation of a national monument near the Grand Canyon. The dismissal of a case brought by ...

Now, scientists believe that they have figured it out. Two huge canyons scored into the surface of the Moon were created in ...

A federal judge has tossed out a bid by Republican state lawmakers to overturn the Biden administration's designation of nearly a million acres of federal land near the Grand Canyon ...

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 ...

New research reveals that two massive lunar canyons, deeper than the Grand Canyon, were formed in under 10 minutes by intense ...