These historical morsels help non-outdoorsy types understand what river lovers lost when Glen Canyon and the Colorado River were slowly drowned by Lake Powell throughout the 1960s and 1970s.

Government officials cleared out a warmwater pool on the Colorado River that had become a breeding ground for pesky invasive ...

The clock is ticking on the Colorado River. The seven states that use its water are nearing a 2026 deadline to come up with ...

These historical morsels help non-outdoorsy types understand what river lovers lost when Glen Canyon and the Colorado River were slowly drowned by Lake Powell throughout the 1960s and 1970s.

After months of stalemate, glimmers of hope have emerged for consensus on a new plan to manage the shrinking Colorado River.

Mitchell and Kenney did talk about Mead and Powell, the two big reservoirs in the basin, as all Colorado River conversations ...

Smallmouth bass have plagued the upper Colorado River Basin for decades, impacting numerous native fish species, but were only detected downstream of the Glen Canyon Dam in 2022.

One more bad snow year would have pushed the Colorado River system to the brink of collapse, dropping the reservoir’s surface toward the lowest outlets on the Glen Canyon Dam — a point known ...

Aerial image of Glen Canyon Dam, a concrete arch on the Colorado River. Water levels are at their lowest since the 710-foot-high dam filled to capacity in the early 1980s. Pete McBride ...

To critics, Glen Canyon Dam was one of the U.S.'s biggest environmental mistakes. But it generates electricity for about 5 million people in seven states.

From Horseshoe Bend to Grand Canyon's Mather Point to the Chiricahua Mountains, these are the Most Treasured Views in AZ. Here's how to plan a trip.

Flagstaff will host a PBS documentary screening on the Colorado River's significance, featuring local scientists and the ...