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

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

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

Witness the incredible moment a wolf pack hunts down a massive bison in Yellowstone National Park, USA. Filmed by Keenan ...

Once the bear reached the area where the wolves were, the wolves must’ve smelled him ... then all chaos broke out.” ...

Wolves in Yellowstone National Park will sometimes test their predation skills on lone adult bison. But there can be painful consequences. The accompanying footage, captured by Billy Fabian while on a ...

This bison wasn’t putting up with one particular wolf’s bull. They say you’re always stronger in numbers, but this wolf pack learned the hard way that that’s not always the case. Incredible footage ...

“Since we have to go to Island Park and West Yellowstone tomorrow, why don’t we make a short trip to Yellowstone Park?” asked my wife last Monday evening. She didn’t have to beg as I was up for a ...

A 2,600km² exclusion zone was established following the world's worst civilian nuclear accident at Chernobyl in 1986, which ...

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing prey killed by cougars and that shifts in cougar diets to smaller prey help ...