Yellowstone National Park is home to some of the most powerful wildlife in North America, including its iconic grizzly bears.

Two of the world's top predators squaring up. Grizzlies and wolves are common in a few ways, and very different in others. Both are predators, using both hunting and scavenging methods to secure their ...

Greater Yellowstone Ecosystem trends — which include another high mortality year — are not a cause for concern, federal and ...