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 ...

Five years ago on Sunday, a wall of smoke erupted along Interstate 70 in Glenwood Canyon, marking the start of the largest ...

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

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

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

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

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.

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

Tamarask beetles may be tiny, but when they swarm to feed, they pack a punch. They repeatedly consume the tamarisks' leaves ...