The accompanying footage, captured by guide Andrea Baratte of Yellowstone Adventure Tours, shows one wolf’s pursuit of a bull ...

A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% ...

Bald eagles might be regarded as the most fearsome predators of the sky, but like any other wild creature, they do whatever ...

Yellowstone's natural balance has been restored.

The Yellowstone bubble Wolf 1331F’s fate was unusual only in that she made it so far north. When wolves leave the park, they die — often, quickly. Yellowstone’s roughly 100 wolves are among the most ...

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

In Yellowstone National Park, when a bison dies it’s not long before wolves or grizzly bears move in on the carcass. If one or two wolves are on the carcass, a lone grizzly bear can usually clear them ...

This winter saw the most wolves from Yellowstone National Park killed in about a century. That's because states neighboring the park changed hunting rules in an effort to reduce the animals' numbers.

A prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just outside the park last month, according to wildlife experts. NOTE: The ...

“We have captured many hunting sequences on camera but have not observed one where the wolf was leaping like this." ...