Learn more about the rare instances when seismic and magma activity overlap in Yellowstone National Park.

The video shows a tourist coming dangerously close to a grazing bison. As the man approaches the hind end of the animal, it ...

The Trump administration continues erasing history across the national parks.

A gray wolf was illegally shot and killed just north of Yellowstone National Park last month. According to wolf advocates, ...

Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal ...

Footage shows grizzly bear ambling across snow in apparent search for a snack.

MAMMOTH HOT SPRINGS, Wyo. — Starting this year, Yellowstone National Park will extend the fishing season on three rivers in the park. The following waterways, located in the west side of the park, ...

In Yellowstone, cougars coexist with wolves by changing what they eat and where they hunt, minimizing conflict driven largely by prey theft.

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

Bison, elk and other animals die in droves in Yellowstone's remote “animal boneyard.” Only a few know how to get there, ...

Yellowstone’s "secret" century-old Old Faithful stamp is available only by request and may be the last of its kind. Before ...