Arizona has raised alarms about one of the federal government's proposals to manage drought on the Colorado River.

With the Colorado River shrinking and its water rights in flux, the Central Arizona Project has assembled a coalition to ...

Low snow totals across the Colorado River basin are threatening to shrink major reservoirs and making water managers anxious.

If you took a look at a map of Rocky Mountain snow right now you would see a lot of red. The mountains that feed the Colorado River with snowmelt are strikingly dry, with many ranges holding less than ...

An atmospheric river has caused an onslaught of rain in California, drenching the south of the state and causing severe flooding. The historic storm ripped across the state at the weekend and through ...

With bare mountaintops across the American West, Southern Nevada’s lifeline is in trouble in more ways than one. Flows into Lake Powell this year, according to federal forecasters, are projected to ...