In a rare twist, one Yellowstone National Park visitor dangerously close to bison was defended by witnesses who said it ...

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

A newborn bison is drawing attention after being spotted walking alongside its mother in Yellowstone National Park. As the tiny calf lags a little behind, its mama pauses to check on it before the ...

The spring season in Yellowstone National Park begins this month, and as crowds increase it’ll be only a matter time before a tourist is gored or trampled by a bison. About 5,000 bison inhabit ...

There's nothing like seeing a rumbling herd of bison. If there was a place to go to see North America’s largest land animal, it would be Yellowstone. Somewhere around 5,000 bison call Yellowstone ...

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

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

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