The Colorado River Basin has lost twice as much groundwater since 2003 as water taken out of its reservoirs, according to a ...

As the Colorado River’s reservoirs have declined, even larger amounts of groundwater have been drained from aquifers. Using ...

The Colorado River Basin’s groundwater supplies are dwindling, thanks to a combination of both natural events and human pumping activities, a new study has found. The critical Western system ...

To see evidence of the Columbia River’s ancient past, you might not need to visit the river at all. In a roadcut just south of Granger, Yakima County, 10 million-year-old evidence is in plain view.

Taking place this Thursday, May 29, at 10:00 a.m., the exhibit is called "The Colorado River: Lifeblood of the Yuma Community," which is installed in the Corral House building, "the original home of ...

Western Slope communities, led by the Colorado River District, want to buy the historic Shoshone Power Plant water rights to ...

Cartographers like Dan Coe battle the notion that everything on the planet has already been mapped. "The world is always ...

The Department of the Interior and the Bureau of Reclamation announced a new policy impacting the Colorado River.