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

The Colorado River from Glenwood Springs to the Utah border is now considered positive for zebra mussels, an invasive species ...

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

Zebra mussels are similar to another invasive mollusk, the quagga mussel, which has not been detected in Colorado’s lakes and ...

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

A man who reportedly tired while swimming in the Colorado River at Rotary Park on Saturday was rescued by first responders.

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

It’s the latest in a long history of water rights disputes between the states that have been left increasingly dry by climate ...

An Arizona man, Thomas Michael McCluney, drowned in the Colorado River in Bullhead City. Police report the incident as ...

A judge has sided with a Western Slope water district in a dispute with Denver Water over a problem dam in Grand County. In ...

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

A 51-year-old Arizona man drowned in the Colorado River on Thursday evening, according to Bullhead City police.