Beneath its frozen surface sits a solid continent of mountains, rocky terrain, and gold-spewing volcanoes. This hidden world has now been revealed in stunning detail thanks to a groundbreaking map ...

Rocky Mountain National Park is home to herds of elk and bighorn sheep, but it also has a population of mountain lions and black bears. Although attacks are very rare, the National Park Service ...

Snow in the Rockies now silently carries toxic metals from mines, revealing long-range pollution by winter storms.

Controversial multi-use trail cuts through former nuclear weapons manufacturing facility with history of spills. Boulder ...

Five grey wolves have been released into Colorado's Rocky Mountains after a 2020 vote on reintroducing them into the wild. Colorado Parks and Wildlife plan to release between 10 and 15 wolves into ...