From Horseshoe Bend to Grand Canyon's Mather Point to the Chiricahua Mountains, these are the Most Treasured Views in AZ. Here's how to plan a trip.

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

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

The Bureau of Reclamation has said it will not flood the Grand Canyon this spring because of ongoing work around the Glen ...

Thirty federally recognized tribes lay claim to a fourth of the Colorado River, a vital water source for 40 million people ...

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

Colorado River advocates say failing to flood ... a canyon ecologist who represents Wild Arizona and the Grand Canyon Wildlands Council on the work group. Reeder and Stevens were among advocates ...

Thirty federally recognized tribes lay claim to a fourth of the Colorado River, a vital water source for 40 million people ...

River rafting enthusiasts will find thrills and spectacular views of awe-inducing cliffs while navigating the river that cuts ...

Grand Canyon officials warned hikers and backpackers about the dangers of heat following a handful of rescues.

Here are the other Colorado ... at Glen Canyon Dam to increase reliability and predictability of water releases to Lake Mead and the Grand Canyon downstream when Lake Powell is low. Arizona's ...

SUPAI — The body of an Arizona woman who went missing ... was discovered by a group rafting down the Colorado River through the Grand Canyon around 11:30 a.m. Sunday, the park said in a statement.