Spanning 277 miles and attaining a depth of over 6,000 feet, Arizona's Grand Canyon ... section of river to be rafted. Shorter trips may be limited to just the upper or lower canyon, while longer ...

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

From Navajo Point, located on the South Rim of the Grand Canyon, visitors can see the Desert View Watchtower, the Colorado River ... The Pleiades Star Cluster (upper right of Jupiter), and ...

And yet, the Grand Canyon remains yoked to the present in one key respect. The Colorado River, whose wild energy incised the canyon over millions of years, is in crisis. As the planet warms ...

GRAND CANYON NATIONAL PARK — A shot of cold water from Glen Canyon Dam appears to have stalled a smallmouth bass invasion of the Grand Canyon and protected rare Colorado River fish there ...

GRAND CANYON NATIONAL PARK, Ariz. — An 80-year-old man has died after falling from a boat on the Colorado River inside Grand Canyon National Park, authorities said Tuesday. It's believed to be ...

Grand Canyon National Park — A solo backpacker has been found dead near a rugged and remote trail along the Colorado River in Grand Canyon National Park, authorities in Arizona said Thursday.

The body of a missing hiker was recovered along the Colorado River on Sunday after flash flooding in Grand Canyon National Park prompted the rescues of more than 100 people. Search and rescue ...

In 1938, Clover and Jotter conducted a harrowing 43-day trip down the Colorado River in an effort to map the Grand Canyon’s flora. They succeeded, despite rampant sexism and numerous physical ...