Arizona is preparing for a legal battle over its rights to Colorado River water. Following an extraordinarily dry winter ...

As tribes study a plan to manage drought on the Colorado River, they also want to ensure their own supplies are protected.

Record-low snowpack across the Upper Colorado River Basin will likely translate to poor conditions for spring runoff, and ...

The Colorado River is set to lose even more water because of climate change, a study has found. The new research comes from the Desert Research Institute (DRI), the U.S. Geological Survey and the ...

There is a slow-motion catastrophe unfolding across the American West, and most people living inside its shadow don't fully realize it yet. The Colorado River, a 1,450-mile lifeline carved through ...

FILE - The Colorado River in the upper River Basin is pictured in Lees Ferry, Ariz., on May 29, 2021. The Supreme Court has ruled against the Navajo Nation in a dispute involving water from the ...

Central Arizona could face 'critical levels' on the Colorado River, and an ASU researcher says cities need to develop back-up plans to keep water flowing to homes and businesses. Some cities have ...