As Colorado River states race to finish a deal, water users face a resource altered by drought and climate change.

Water managers and state wildlife officials last year hoped the discovery of a microscopic zebra mussel larva in the Colorado ...

The seven states that share the drought-stricken river are aiming for an agreement before a November deadline set by the Bureau of Reclamation.

The "iconic and magical" cottonwood trees are the keystone species of the plant world and they're disappearing from Utah ...

Nebraska officials on Wednesday announced a lawsuit against Colorado, alleging the Centennial State is allowing “unlawful ...

Nebraska is suing Colorado over the amount of water it draws from the South Platte River, the latest in a long history of ...

Western Wyoming irrigators are frustrated after being shut off earlier than normal to send Colorado River Basin water ...

A new round of samples shows the Colorado River "positive" overall for zebra mussels, as state officials scramble to contain ...

The long-depleted Colorado River is getting a boost from the largest snowpack since 1997. Rising reservoirs offer some relief amid talks on needed water cuts.

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 ...

A man is dead after drowning in the Colorado River in Bullhead City on Thursday. The Bullhead City Police Department’s boating officers were called to the beach area near Moser Avenue and Sixth Street ...