Most of Minnesota and parts of Montana, North Dakota and Wisconsin were ranked “unhealthy” for air quality on a U.S.

Two wildfires, one burning near the North Rim of the Grand Canyon and the other farther north on the Kaibab Plateau, have ...

The Colorado River Basin which supplies water to seven U.S. states is facing "severe water shortages," scientists warn.

As Colorado’s gray wolf population increases with four new groups of pups, the reintroduced animals continue to stick to ...

At least one of Colorado’s collared wolves moved deeper into the northwest corner of the state in July, a new map released by state wildlife officials shows.

Kaidon Salter spoke at Big 12 media days about his decision to join Colorado, noting the Buffaloes' coaches and talented players as two key reasons.

Colorado wolves didn’t roam as far into the Western Slope in the last month as they did earlier this spring, a new map released by state wildlife officials shows.

The seven states that share the Colorado River are floating a new concept for how water could be shared in the future, marking forward progress after a long standoff between the Upper Basin and Lower ...

The Great Sand Dunes National Park and Preserve is hard at work to reopen Medano Creek Road following flash flooding on ...

About a year and a half into reintroduction efforts, Colorado’s gray wolves are continuing to settle into the state and explore similar watersheds, according to Colorado Parks and Wildlife’s monthly ...