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

In Yellowstone, the first grizzly bear sightings typically occur in February or early March. Sightings are sporadic and ...

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 ...

Finding a giant graveyard might be depressing, but the carcasses strangely benefit the ecosystem, providing food to grizzlies, wolves, and more.

Bison, elk and other animals die in droves in Yellowstone National Park’s remote “animal boneyard.” Their carcasses provide a ...

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

Millions of people head to Yellowstone National Park each year, making traffic through popular areas a major problem for the ...

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, ...

Rangers at Yellowstone National Park are reportedly trying to solve the mystery of what happened to a well-known female wolf ...

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