Great Smoky Mountains National Park, far and away the busiest U.S. national park with 12.1 million visitors, placed first ...

The USA’s national parks are true natural treasures. Each one offers a unique experience, whether you’re looking for ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, geophysicist ...

Michael Garrity writes, The illegal Greenhorn logging project would have allowed wildlife habitat destruction in the form of ...