A herd of bison gorged on fresh green grass while roaming Mammoth, Wyoming on the northwest edge of Yellowstone National Park ...

If you live in Yellowstone National Park, you pretty much know what you signed up for, but this woman got delightful video of ...

Cindy Shaffer was no stranger to herds of bison roaming the land at Yellowstone National Park, sharing footage of her close ...

The deaths of at least six foreign nationals in a fiery van crash in eastern Idaho are a reminder that many visitors to two ...

A video taken in Yellowstone National Park shows a lone female wolf competing with two grizzly bears for the rights to a ...

A cold morning mist lingers over the wide valleys of Yellowstone National Park as a mighty herd of bison rumbles across the ...

Though the wolves might be outnumbered in Yellowstone, the canines have been known to hunt down bison. That being said, they ...

As dusk began to fall on Yellowstone National Park, the male grizzly bear wandered down a hill in hopes of getting a free ...

Although elk infected with brucellosis freely roam southwestern Montana and have been responsible for infecting cattle with the disease, “bison in Yellowstone present a much higher, much more ...

A massacre in Yellowstone in which an Italian also lost her life. There are seven victims, all foreign tourists, including a ...

Yellowstone recorded a record-high number of bear jams — 499 with grizzly bears and another 760 black bear gridlocks.