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 ...

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

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

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

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

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

Moon Grand Canyon carved out in less than 10 minutes by bullet-fast space rocks - Space rocks travelling as fast as a bullet ...

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

For more information, visit the Grand Canyon West website. 45-minute Helicopter Flight Over the Grand Canyon from Tusayan, Arizona (1816 reviews) ...

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 warned! The water within is toxic.

Once hikers arrive at Hualapai Hilltop, they'll have to trek about 10 miles to the waterfalls. 45-minute Helicopter Flight Over the Grand Canyon from Tusayan, Arizona (1816 reviews) ...

One of the hottest teams in college basketball faces a tought test when Arizona travels to Arizona State for a high-stakes rivalry Saturday matchup on CBS. The Wildcats (14-6, 8-1 Big 12 ...