An area of towering rock spires in southeastern Arizona known among Native Americans as the Land of Standing-Up Rocks is poised to become the nation's newest national park.Legislation to create ...

An underrated national monument in Arizona may soon join the big leagues of the state's three national parks.

A national park label typically brings more visitors and economic opportunities. The last new national park was designated in ...

The Chiricahua National Monument in southeastern Arizona is one Donald Trump signature away from becoming the state's fourth ...

Add Yahoo as a preferred source to see more of our stories on Google. The kind of rain that lands like a summer soak in much of the U.S. can be the fuel for disasters in Arizona. A flash flood that ...

Valle, Arizona, is a small town near Grand Canyon National Park that you’ve most likely driven through on your way to the ...

"Grand" doesn't begin to do this canyon justice. Measuring approximately 277 river miles in length, up to 18 miles in width ...

Water delivery to Grand Canyon National Park began Sunday over a month after flash flooding damaged much of the park’s water ...

Water deliveries to the Grand Canyon bring thousands of gallons to help with the decline of water levels in the park's holding system.

Last summer, the Grand Canyon’s North Rim suffered catastrophic damage from the Dragon Bravo Fire. Now, park officials are ...

Hotels and lodges at Grand Canyon National Park will close at noon on Monday, Aug. 31, after devastating flash flooding in the Canyon. One person died in the Aug. 29 flood near Bright Angel Canyon and ...