The Oxbow Bridge in western Arizona served as a shortcut to Yuma before it collapsed into the Colorado River on Aug. 1.

Government officials in Colorado have penned a letter to Secretary of the Interior Doug Burgum and Secretary of Agriculture Brooke Rollins asking for help addressing invasive zebra mussels.

A bridge connecting the small western Arizona community of Cibola to California was destroyed by a wildfire earlier this ...

Not as much water flows into the river as people are entitled to take out of it. A new idea might change that, but ...

The drowning victims, Anoop Gankidi of Tempe and Venkata Mukkaala of California were part of a group on a pontoon boating ...

The sunlight sparkles across the ripples of the Colorado River, reflecting off ancient black rock layered beneath flaming red ...

Two California men drowned while swimming in the Colorado River near the California-Arizona border over the weekend, ...

The Colorado River system supplies tens of millions of people across the West with water to drink, shower, and work, and it irrigates around 5 million acres of farmland.

The suspect, a sheriff's sergeant, was arrested on suspicion of drunken boating. The 38-year-old victim is survived by a wife ...

The Colorado River transports approximately 9 million tons of dissolved salt each year, according to a 2009 U.S. Geological Survey report on salinization in the Upper Colorado River. In the river and ...

As the Colorado River dries up, states can’t agree on saving water The river’s biggest water user, California, didn’t join six states in a proposal to cut some 2 million acre-feet of usage ...