With a reddish tint from sediment carried over long miles, the mighty river that carved the Grand Canyon has been known by ...

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

The Colorado River Basin which supplies water to seven U.S. states is facing "severe water shortages," scientists warn.

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

As a result, they helped put Colorado on the map as a destination for people who want to play in rivers. That rings true for Hojo and other kayakers.

Colorado wildlife officials are raising the alarm after an aggressive invasive species was discovered in the West Fork Little Thompson River, the Cool Down reported. The culprit? The rusty ...

The lines in the sand haven't changed, even if warring states are working on a new deal to save the Colorado River.

Federal officials indicated that even parts of the "Law of the River," a 100-year-old legal framework that governs Colorado River allocations, could change as a result of the negotiations. “We ...

About 40 million people rely on the Colorado River for drinking water. It also irrigates agricultural fields. It's also shrinking. Now, states might agree on a potential deal on sharing the river.

Colorado River states still have no unified long-term management plan and ‘are just about out of time,’ experts warn Current operation guidelines for the Colorado River, which provides water ...

To the editor: Environmental groups want to limit Colorado River water going to Imperial Valley farms, saying it’s not of “beneficial” use.

If Arizona’s Colorado River water allocation was cut to zero, “we could burn through the available groundwater in 50 years,” Famiglietti said. “We’re talking about decades. That’s scary.