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

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

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.

Arizona officials are celebrating the passage of new groundwater legislation, but setting their sights on upcoming Colorado ...

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 ...

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 ...

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 ...