Tourists witnessed an extraordinary scene in Yellowstone National Park on Friday as a German Shepherd leaped from the back of ...

A German shepherd showed its predator instincts Friday, leaping from a vehicle and chasing a wolf in Yellowstone National ...

A dog was seen jumping out of a car window and chasing a wolf in Yellowstone Friday. A tour guide captured photographs of the ...

Screenshot from Yellowstone Insight Facebook Page Typically, when I am writing about encounters with wildlife at Yellowstone ...

Jonathan Newton/Getty A 400 lb. grizzly bear was euthanized by Yellowstone National Park staff last week after it overturned dumpsters and searched for food in developed areas of the park.

It was the second time this year a park visitor was injured by a bison after getting too close to the wild animal.

The Greater Yellowstone Ecosystem, with Yellowstone National Park at its core, has been identified by the government agency as a "recovery zone" for grizzly populations.