Yellowstone is grieving after a poacher is believed to have shot and killed a prominent wolf from the park's most famous pack ...

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

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

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

New preliminary visitation numbers from the National Park Serviceshow Glacier and Yellowstone National Parks moving in different directions last year, despite ...

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

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

According to a statement from Montana Fish, Wildlife and Parks (FWP), officials started investigating after they received a ...

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

Can't really do anything except stop and admire wildlife in motion. As you know, there’s all kinds of rules of the road as to who has the right of the way, but it was clear in this instance that the ...

Wolf 1478F could have become the Junction Butte pack alpha, experts say.

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