The Canyon's Age Sparks Fierce Scientific Debate Scientists have spent over a century arguing about when the Colorado River ...

Hike through secret slot canyons, spot endangered California condors, visit sacred Navajo sites, and kayak a stunning 10-mile ...

A Colorado man on a river trip to the Grand Canyon was found dead over the weekend, officials said Monday, in what appears to be the seventh death at the park since July 31. Patrick Horton, 59, was on ...

GRAND CANYON NATIONAL PARK, Ariz. — 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 death of an 80-year-old man was the fifth fatality there in a month, officials said. By Claire Moses An 80-year-old man whose boat flipped on the Colorado River over the weekend has become the ...

The body of a 71-year-old man who was reported missing was found along the Colorado River in the Grand Canyon. The victim was not identified. Since the beginning of July, nine deaths have been ...

SUPAI, Ariz. -- The body of a 33-year-old woman who was swept away in flash flooding at the Grand Canyon has been discovered, according to the National Park Service. Chenoa Nickerson of Gilbert, ...

The seven states pledge to define and approve an agreement to manage the Colorado River, which serves 40 million people in ...

A Colorado man on a multi-day trip was found dead over the weekend in the Grand Canyon National Park, officials said Monday. The Grand Canyon Regional Communications Center received a call around 5:30 ...

The plucky humpback chub has weathered dams and invasive species, but climate change and a dwindling river flow pose new ...

When it comes to zebra mussels in the Colorado River system, Colorado Parks and Wildlife Director Jeff Davis summed it up ...