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 Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

After you've admired the Grand Canyon from the hiking trails (or even from the air on a helicopter tour), enjoy a new vantage point on a Colorado River rafting tour. Options range from the family ...

A 59-year-old Salida man died Saturday while on a trip down the Colorado River in the Grand Canyon, according to the National Park Service. Park rangers responded to a call about a death near mile ...

Federal officials have confirmed that they will not flood the Grand Canyon this spring, citing ongoing work on Glen Canyon Dam and in the Colorado River downstream. Colorado River advocates say ...

"Status-quo electricity production at Glen Canyon Dam will continue the inundation of predatory bass into the Colorado River, almost surely driving the Grand Canyon's endangered humpback chub to ...

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 ...