A bison in Yellowstone National Park caused chaos when it charged a group of people, tossing an older man in the air, leaving ...

A Yellowstone bison attacked a tourist Friday evening. The bull tossed the man eight feet into the air. Photographer Mike MacLeod filmed the entire event. It happened at Bridge Bay Campground. The ...

A guide has captured dramatic footage showing two adult bison rushing to the rescue as wolves attacked a young calf in Yellowstone National Park. Michael Sypniewski, who guides for Yellowstone Wolf ...

There’s a moment that plays out in national parks with striking regularity, and it follows the same script almost every time. A bison is standing near a road, or grazing beside a boardwalk, or ...

Add Yahoo as a preferred source to see more of our stories on Google. A Yellowstone visitor encountered a surprising guest as he tried to leave a restroom — a massive bison. The bison blocked the ...

On Wednesday we featured video footage showing dozens of bison stampeding across a bridge in Yellowstone National Park. They included newly born calves, or “red dogs,” and the woman who captured the ...

One hundred and fifty years ago, the American buffalo suffered near-extinction that had dire ecological and cultural ...