Three Arizona cities were named among the top mountain towns in the U.S. in a new study. See which cities made the list and why.

Arizona is renowned ... with Saguaro cacti to rugged mountains and epic canyons — including, of course, the iconic Grand Canyon, the largest in the United States and one of the most-visited ...

Melting Ice Patch in the Rocky Mountains Reveals 5000-Yr-Old Greenery, Scientists Discover Over 30 Well-Preserved Dead Trees An ice patch that has been melting in the Rocky Mountains of Wyoming has ...

Grizzlies are fearsome bruins that can reach 800 pounds and live more than 25 years. They've been protected as a threatened ...