Some wildlife watchers are publicly "mourning the loss" of the aging bull that others say probably wouldn't have survived the ...

Snow was already falling early Tuesday morning in parts of Colorado’s mountains, and was forecast to continue through 4 a.m.

Colorado's national parks are stunning, but its state parks are nothing to scoff at. This relatively unknown park feels ...

A careful plan to restore beavers and willows ecology to Rocky Mountain National Park's Kawuneeche Valley is showing progress ...

Colorado is beginning the lengthy process of reintroducing wolverines to the state, where the furry animal hasn’t been seen ...

Conservationists observe 'incredible' recovery of wetlands around Beaver Creek.

A mountain lion was the apparent cause of death of a Colorado reintroduced wolf in Rocky Mountain National Park, while another reintroduced wolf died from injuries suffered after being caught in a ...

A Colorado attorney has submitted proposals for 97 new names of peaks around Colorado, including changing the name of Longs Peak in Rocky Mountain National Park. The Colorado Geographic Naming ...

A new study by the University of Colorado Boulder adds to growing concerns that one of the Rocky Mountains’ most iconic species — the American pika — may be disappearing as a result of climate change.

After years of debate and developing open space trails into Rocky Flats National Wildlife Refuge, a former bomb factory, warning signs are up.

Shanidiin Farm is a 40-acre property in Boulder, Colorado, listed for $19.5 million. There's a four-bedroom main home, a ...