The Colorado River from Glenwood Springs to the Utah border is now considered positive for zebra mussels, an invasive species ...

Part of the Colorado River is now an "infested" body of water. That's according to Colorado Parks and Wildlife, which says ...

Those who guide trips on the Colorado River are seeing changed bookings, cancellations and shifting itineraries.

Colorado Parks and Wildlife officially declared a portion of the Colorado River as “infested” with invasive zebra mussels ...

A group of leading experts on the Colorado River say Western states urgently need to cut water use to avert a deepening ...

The authors of a new study say the Colorado River's huge reservoirs hold less useable water than the numbers suggest.

A study reveals that the lack of spring rains largely explains the water deficit in the Colorado River since 2000.

Latest sampling by Colorado Parks and Wildlife confirms the voracious invasive mussels have an established presence in the ...

GRAND JUNCTION, Colo. — A portion of the Colorado River has been designated as "infested" by Colorado Parks and Wildlife ...

Officials representing Wyoming and other Upper Colorado River Basin states say they’re alarmed about the continued fragile condition of the river.

A new report finds that Lakes Mead and Powell, the nation’s largest reservoirs, could store just 9 percent of their combined ...

River use needs to be cut now, researchers urge, to avoid putting the river system in a very difficult to potentially ...