The Rocky Mountain states say they don't have water to give. The Southwest says it can't save the Colorado River on its own.

Glen Canyon National Recreation Area will begin construction to channelize the river mile -12 slough on March 1 in order to ...

President Biden promised billions in funds to farmers and others to not take water from the Colorado River. President Trump ...

In the late 1800s, Picacho, California was a thriving gold mining town of 2,500 people located on the Colorado River. But, by ...

A new study offers insights into a puzzling piece of the geological history of the Grand Canyon and surrounding regions.

Trump's funding freezes could threaten the Colorado River. Some money was intended to keep the shrinking river flowing. And, ...

Photos from the Colorado Rockies’ first week of spring training at Salt River Fields at Talking Stick in Scottsdale, Arizona, ...

As Arizona’s record-dry winter continues, Western water managers are quietly preparing for what many have called a “nuclear ...

Lead negotiators from the Colorado River’s Upper Basin states expressed a dual sense of uncertainty and urgency on Tuesday, ...

Long after tectonic plate movement has created mountains, forces such as weather and river erosion can continue to shape a ...

Phil Weiser, Colorado’s attorney general, sat down for an interview Monday with the Vail Daily to talk about suing the ...