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

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

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

All members of Congress representing Colorado, Democrats and Republicans alike, are asking President Donald Trump to release ...

Colorado Parks and Wildlife has confirmed plans to begin treating part of the Colorado River for invasive zebra mussels. The ...

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

But “normal” years aren’t the norm anymore — here or anywhere in the 250,000-square-mile drainage that supplies the 1,450-mile Colorado River. A river that has long been overallocated and ...

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

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 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.