Invasive smallmouth bass have threatened native fish in the Colorado River as it flows through the Grand Canyon. Federal officials recently cleared out a warm backwater below Glen Canyon Dam where ...

The Colorado River is starting to swell with spring runoff, but just a few months ago, Avi Stopper clocked a gap in the Western United States' most important water supply. Stopper was driving back to ...

In the next few weeks, the public will get their first look at a critical document two and a half years in the making that ...

Just outside of Golden, a sun-drenched Colorado mountain town made for river floats and cold brews, is a locally beloved park, packed with recreational opportunities, known as Clear Creek Canyon Park.

A 67-year-old man from Texas died on July 8 while hiking in the Grand Canyon. Officials say the man was trying to reach the Colorado River for an overnight stay at Phantom Ranch when he was found ...

Farms and cities use so much of the Colorado River's water that little remains for the river's own ecosystem. Will ...

Representatives from the federal government, the seven states that share the Colorado River, and those with an interest in the river’s management, will convene this week in Las Vegas for the annual ...

The valley of the Colorado -- Mesas and buttes -- Mountains and plateaus -- Cliffs and terraces -- From Green River City to Flaming Gorge -- From Flaming Gorge to the Gate of Lodore -- The Canyon of ...

As our raft guide navigated the gentle rapids and rocky canyon walls of Colorado’s Taylor River, Los Angeles felt a world away. The river was quiet, serene. Keep an eye out for bighorn sheep, our ...

On the headwaters of the Colorado River, water managers fear they are on the brink of a system failure as drought and climate change rewrite the old rules. Winter snowpack is no longer a reliable ...

An invasion of smallmouth bass from the Great Lakes region is spreading to new areas of the Colorado River in Arizona. The bass have already thwarted efforts to save threatened native fish in the ...