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

Yellowstone National Park is not a calm place, but a recent study using AI technology showed us that it's even less calm than ...

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

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

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.

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

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.

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

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, a new study has found.