The Department of the Interior called seven governors to Washington to try to push the states closer to a joint plan by Feb. 14.

This winter was dry and unseasonably warm across much of the Western U.S. How will that affect the Colorado River basin as water managers negotiate for the river's future?

Leaders of the system which brings Colorado River water to Phoenix and Tucson say cutbacks outlined in federal plans would harm the area.

Arizona Gov. Katie Hobbs said a meeting among most governors fighting over declining Colorado River water has put them “on a ...

The Green River, the largest tributary of the Colorado River, appears to defy gravity for more than 100 miles as it cuts ...

As part of its spring tradition, the Colorado River District will give its State of the River address to a dozen Western Slope communities starting in March. Each State of the River will provide ...

Ultrarunner Mina Guli says she doesn’t actually love running. The Thirst Foundation nonprofit CEO is somewhat of a living contradiction, after running 200 marathons in 2022 across 32 countries to ...

In Phoenix, about 40% of the city’s water supply depends on the Colorado River. Before it ever reaches you, that water must ...

John Wesley Powell was both an adventurer and a scientist. Perhaps that’s exactly what we need now to end the Colorado River ...

Data centers are popping up in semi-arid areas like Colorado. Experts say they should come with a warning label when it comes to water.