For over 40 years, the U.S. Forest Service has been monitoring high-altitude mountain lakes in Colorado to track the environmental impacts of human-caused pollutants and climate changes in delicate ...

If you're looking for a wilderness getaway, Colorado is the place to be. From the thickly wooded trails through the Rocky Mountains to the dusty mesas of the Colorado Plateau, the landscape here is ...

Tenting in orange tent camping with Hallet Peak and snow covered Rocky Mountains of Colorado - Georgia Evans/Getty Images Colorado has some of the most impressive mountain peaks anywhere in North ...

There's little debate that hiking in Colorado is in the United States' top tier. With gorgeous alpine lakes, beautiful ...

Between reservoirs tucked into Denver suburbs and mountain lakes throughout the state, Colorado has a wide variety of places for people to try their hand at fishing. Fishmasters, a fishing website, ...

One sunny July morning, on a lake in Colorado’s San Juan Mountains, two scientists skimmed a black inflatable raft back and forth across the water. Isabella Oleksy, an ecologist at the University of ...

Discover four hidden spots in Rocky Mountain National Park you didn’t know existed, from secret overlooks to lesser-known ...