A tour group watched a pack of wolves unsuccessfully try to take down a bison in Yellowstone National Park this past weekend.

It's eat or be eaten in Yellowstone National Park. The wildlife of the iconic park can broadly be categorized as prey and predators. Among the approximately 70 different mammal species, those that ...

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

A mild winter means fewer rotting big game carcasses for Wyoming grizzlies to feast on this spring and wolves are getting ...

To see some adorable baby animals this spring, head to these prime viewing spots for the best chance to snap photos of iconic ...

Add Yahoo as a preferred source to see more of our stories on Google. A photographer has captured a strikingly graphic image that reveals the raw dynamics at play during winter in Yellowstone National ...

WARSAW, Poland (AP) — A pack of wolves in eastern Poland made a wrong choice of prey when it tried to attack a herd of bison, but was dismally chased away. An online camera installed by state forestry ...

If not for a series of tones broadcasting her location, no one would’ve known she had died. Like dozens of other Yellowstone National Park wolves involved in a three-decade-long study, researchers ...

Footage shows woman mulling next move after finding herself just feet from a large bison.

This tireless researcher, widely recognized as "the ultimate guru of wolf behavior," talks about his long-awaited memoir ...

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 ...

Yellowstone National Park is unlike anywhere else on Earth. Yellowstone National Park is unlike anywhere else on the planet. It's the last intact temperate zone ecosystem on Earth and has a wide ...