Yellowstone National Park visitors recently had a front row seat to watch a pack of wolves hunting a herd of bison, leaving ...

Wolf and grizzly bear sightings are fairly common in Yellowstone. But scenes such as these, illustrating the life-or-death ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have made a fascinating discovery about the bison population in Yellowstone National Park. Researchers at Texas A&M ...

The roars of a grizzly echoed from a riverbank in Yellowstone National Park on Sunday, as it postured with a wolf over a ...

You mess with the calf, you get the herd. It's estimated that around 4,500 bison roam around Yellowstone National Park.

Visitors in Yellowstone National Park witnessed a rare and tense encounter as a grizzly bear and wolf vied for a bison carcass along the Yellowstone River. Though the animals came close, they avoided ...

The changes in the predictability and duration of bison migrations outside the park "affects the reliability of management ...

A bison gored a man Tuesday after a large group of visitors got too close to the animal in Yellowstone National Park, officials said.Related video above: Caught on Camera: Bison herd rushes car at ...

Across Montana’s eastern plains, few sights register as strongly as a bison herd navigating open grassland. Although the grizzly bear is the official state animal, the plains bison has come to ...

A bison gored a man Tuesday after a large group of visitors got too close to the animal in Yellowstone National Park, officials said. The 30-year-old from Randolph, New Jersey, was treated for minor ...