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 ...

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

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

A federal judge on Monday lifted the deadline for workers to accept President Donald Trump’s buyout offer until he rules on ...

A federal judge has rejected a lawsuit by Arizona lawmakers challenging former President Joe Biden’s designation of a ...

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

Arizona Senate President Warren Petersen said Interior Secretary Burgum can act now to unleash America's uranium capabilities.

Grand Canyon committed 22 turnovers in a blowout loss at California Baptist, ending a six-game winning streak.

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

Center for Biological Diversity Reports President Trump’s Interior Order Threatens to Open Grand Canyon National Monument to ...

A visit to the Grand Canyon is a true bucket list item for anyone on a US road trip. But Arizona isn't the only place where an ambitious explorer can find a Grand Canyon. NASA’s Lunar ...