An aquatic nuisance species has been found for the first time in the Little Thompson River, according to Colorado Parks and ...

Ongoing drought continues to strain the water supply from the Colorado River, but some Arizona agencies are finding new ways ...

Using 23 years of satellite data, University of Utah hydrologists studied how dust-darkened snow is hastening runoff and ...

Elzada Clover and Lois Jotter conducted a harrowing 43-day trip down the Colorado River in an effort to map the Grand Canyon's flora.

The authors of a new memo say that states need to take shared water cutbacks to manage the Colorado River going forward.

Hydrologists say that hotter temperatures have been drying out soils and vegetation in the west, leading to less water ...

The snowpack at the headwaters of the Colorado River came in at 18% above normal. Rafting on the Upper Colorado and the ...

The Colorado River is starting to swell with spring runoff, but just a few months ago, Avi Stopper clocked a gap in the ...

The Colorado River is a vital water source for a large chunk of the West, but dust continues to impact its reliability, a ...

The U.S. Bureau of Reclamation says it’s likely Arizona will continue to take cuts in its Colorado River supply next year.

Senator Gallego supports the release of $50M in funds for Hoover Dam improvements under the Help Hoover Dam Act.