From an ancient Egyptian hoax to a mysterious disappearances and Cold War history, here are 10 bizarre facts you probably ...

The Colorado River carved the Grand Canyon and sustained millions of people across the American Southwest, yet today it is ...

Located near both Lake Mead and the Grand Canyon, this Arizona community is an excellent place for outdoor adventures and for ...

Farms and cities use so much of the Colorado River's water that little remains for the river's own ecosystem. Will ...

Arizona tourism officials are encouraging visitors to enjoy the Grand Canyon this weekend despite overnight lodging closures ...

The gubernatorial debate about Colorado River water allocations are ongoing as Arizona faces uncertainty about future access.

I backpacked into the Grand Canyon from a remote BLM road, camping on a secluded island in the Colorado River. The hike down was steep and hot, but the reward was a private campsite surrounded by ...

The valley of the Colorado -- Mesas and buttes -- Mountains and plateaus -- Cliffs and terraces -- From Green River City to Flaming Gorge -- From Flaming Gorge to the Gate of Lodore -- The Canyon of ...

Conservation groups worry that non-native fish will outgrow their breeding grounds in the Colorado River and threaten the lives of rare species.

Getting your Trinity Audio player ready... Driven in part by the ongoing western megadrought, the foundation governing how Colorado River water is shared may be cracking, threatening drinking water ...

Bonnie Colby, Professor, University of Arizona. John Fleck, Writer in Residence, Utton Transboundary Resources Center, University of New Mexico. Kristiana Hansen, Professor, Department of Agricultural ...

On the headwaters of the Colorado River, water managers fear they are on the brink of a system failure as drought and climate change rewrite the old rules. Winter snowpack is no longer a reliable ...