Starting on Jan. 1, international visitors to some of the most visited national parks will face price increases. Some ...

Yellowstone may be America’s most famous national park, but many park rangers quietly agree that fame does not always equal ...

Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

Zion National Park is more than just a park for so many of its park visitors. It has become a Pilgrimage, a place to fin ...

Beneath Yellowstone National Park, scientists are reexamining one of Earth’s most powerful volcanic systems after studies ...

American Airlines' new routes from Phoenix Sky Harbor Airport will serve national park travelers and business travelers. Here ...