Rumors abound as animals are leaving Yellowstone National Park en masse. Is the Yellowstone supervolcano about to erupt?

They say you're always stronger in numbers, but this wolf pack learned the hard way that that's not always the case.

A mysterious blue water-filled hole appeared in Yellowstone's Norris Basin, caused by small explosions, but poses no ...

Zion, Grand Canyon, Yellowstone, Yosemite, and Glacier are among the most popular U.S. national parks—here's how to get off the beaten path when visiting.

A black bear was killed at Yellowstone National Park after crushing an unoccupied tent and outsmarting a food storage pole ...

In a hot spring at Yellowstone National Park, a microbe does something that life shouldn’t be able to do: It breathes oxygen and sulfur at the same time.

Less famous but just as unforgettable, these state parks showcase iconic landscapes without the long lines at America’s ...

Search teams located the site of an airplane crash that killed three people near Yellowstone National Park using the last ...

Descriptions and displays at scores of parks and historic sites have been flagged for review in connection with an executive ...

The limited series, starring Eric Bana and Sam Neill, has been branded 'captivating' by some and 'lame' by others.

Get behind the wheel and settle in for an epic road trip, as this sprawling highway takes you through Montana, Wyoming, Idaho ...