Every property deed in one Colorado city once carried a clause forbidding the purchase, sale, or consumption of alcohol.

Gray wolves vanished from Colorado by the mid-1900s, and now footage captures the tense, carefully orchestrated moment ...

Trail Ridge Road, the popular 48-mile stretch of highway through Rocky Mountain National Park in Colorado's mountains, reopened after a closure Sunday morning due to snow and ice, park officials said.

DENVER — The 64-year-old marmot study at the Rocky Mountain Biological Laboratory in Gothic, Colorado, is the second-longest ...

The number makes this year’s super bloom of green gentians the second-largest ever recorded in the East River Valley.

PBS Rocky Mountain and the Museums of Western Colorado have partnered to present “Topaz Stories,” an exhibit highlighting the experiences of Japanese Americans incarcerated in Western internment ...