Antarctica isn’t a floating chunk of ice like the Arctic. Beneath its frozen surface sits a solid continent of mountains, rocky terrain, and gold-spewing volcanoes. This hidden world has now been ...

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

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 ...