In Colorado's Rockies, 8,250 feet above sea level, you'll find the highest alpine botanical garden in America, home to over 3 ...

Under a new rule, grizzly bears would be protected by the Endangered Species Act in Washington, Montana, Idaho and Wyoming.

As someone who lives near Colorado's Rocky Mountain National Park, I know of lots of hidden gems in the area.

View 15 awe-inspiring images of this range from the Smithsonian Magazine Photo Contest ...

It goes without saying that exploring the United States by road offers some of the most breathtaking views in the world. From ...

U.S. Fish and Wildlife Service rejects state petitions for local management, creates single recovery area for grizzlies in ...

Ski patrollers miffed by wages they say are too low for high living costs have put a wrench in operations at the biggest U.S.

Researchers have created a simulation that maps underground water on a continental scale. The result of three years' work studying groundwater from coast to coast, the findings plot the unseen path ...