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

A German skydiver used the Grand Canyon as a backdrop to pull off an “endless skydive,” a maneuver that could theoretically ...

Grand Canyon overcame an 11-point, first-half deficit and got a season-high 24 points from Tyon Grant-Foster in a win over ...

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

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which ...

With 22 national parks and monuments to its name, Arizona boasts some of the most astonishing landscapes in the country, from the Grand Canyon to the towering buttes of Monument ...

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

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

Arizona has some of the prettiest sunsets, but why? There's a science behind it. Here's what to know, including sunset times ...

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

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 ...

That's good news for NASA, which is looking to land astronauts at the south pole on the near, Earth-facing side later this ...