"Wildlife in Yellowstone National Park are wild and can be dangerous when approached," the National Park Service explained in a news release. "... Bison have injured more people in Yellowstone than ...

Facebook commenters were unanimous in their outrage over tourists disrupting the natural beauty of Yellowstone. "Should be ...

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

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

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

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

A grizzly spotted out wandering in Yellowstone National Park on Monday might be up from hibernation incredibly early or awake ...

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

Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

Learn more about the past eruptions at Yellowstone National Park and how each new eruption displaced evidence of the past.

One local wildlife advocate told PEOPLE the wolf's killing was a "heartbreaking event" for the famed Junction Butte wolf pack ...