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

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...

GRAND CANYON NATIONAL PARK, Ariz.— Tribes, conservation organizations and community groups today defended Baaj Nwaavjo I’tah ...

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

If you're planning a trip to Arizona's Grand Canyon, don't forget to check out this nifty little pool in its depths. But be ...

An endangered bat species has been detected in southeastern Arizona. Researchers say the discovery of the Mexican long-nosed ...

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

Everyone knows Arizona is nicknamed the Grand Canyon State. But did you know it's also been called the Baby State or the Sweetheart State at various points in history? Arizona didn't have an ...

From spectacular landscapes — hello, Havasu Falls — to artistic wonders, here are 10 of the most beautiful things to see in ...

Whether you're hiking, boating or just taking a stroll outside, the great outdoors has its dangers, and that includes the ...

FLAGSTAFF, AZ (AZFamily) — It’s just months away from peak tourism season at national parks across the country, including the Grand Canyon. However, park employees across the country say job offers ...