There are countless natural wonders to see in Arizona, and if you want something a little off the beaten path, Apache Lake is ...

Dam maintenance and non-native fish reduction efforts led the government to reject an environmentally restorative flood in ...

Spanning 277 miles and attaining a depth of over 6,000 feet, Arizona's Grand Canyon ... the mighty river is still and smooth, reflecting the finest details of the canyon walls like a shiny mirror.

In this month’s Canyon Commentary, author Scott Thybony ponders the ancient story of a Hopi boy who embarks on an epic ...

The two sites are accessible from the North Rim on a river bend about 29 miles northwest of Grand Canyon Village on the ... scenic views of colorful rock walls and canyons, waterfalls and pools ...

The immense walls form a kind of cocoon ... Cowboy coffee on a propane burner. At Mile 0 of the Grand Canyon, the river is running at 198cu m per second, rising toward 255cu m – not the lowest ...

Hells Canyon might be deeper than the Grand Canyon, but it's barely 2 million years old, according to a new study.

This river canyon, measuring 278 miles long ... Scientists read the history of North America in the layers of its rock walls. The Grand Canyon is one of the Seven Natural Wonders of the World ...

Hells Canyon is the deepest river canyon in the United States. Now scientists have solved the mystery of when it formed.

“Thanks for weeding Grand Canyon,” he said. I didn’t know how to reply ... As we traveled downriver, the canyon walls rose higher, or rather, the river burrowed deeper, and the weather cooled. Tiny ...