The broader outlook for the Park Service, and subsequently Yellowstone, is far more uncertain. The Trump administration’s ...

The Yellowstone Wolf Project is a detailed study of wolves in the national park, including the animals' population, predator-prey interactions and social behavior. Researchers place collars with very ...

Visitors to Rocky Mountain National Park should not miss a visit to see the headwaters that turn into the mighty Colorado River. Yellowstone National Park—the world’s first national park—was ...