Researchers suspect that ravens might have greater agendas behind their relationship with wolves.

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 tourist guide at Yellowstone filmed a wolf chasing after an elk for about 3.5 to 4 miles.

Footage shows part of a wolf-versus-elk pursuit that also has bison taking cover.

These Yellowstone interior wolves, considered bison-killing specialists, often use groomed park roads to get around in winter, at times walking right by snowmobilers buzzing down the road on their way ...

For decades, scientists assumed they knew how ravens always managed to show up at a wolf kill before the blood had even dried ...

YELLOWSTONE NATIONAL PARK, Wyo. — It is a sunny winter afternoon, and Simond Raymond has a problem. His flight home to Yverdon-les-Bains in Switzerland leaves this evening from Bozeman, Mont. But at ...

Add Yahoo as a preferred source to see more of our stories on Google. On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National ...

A guide in Yellowstone National Park on Monday shared stunning footage showing a black wolf partially obscured by mist as other wolves remained mostly hidden in the background. “This was the most ...

Embark upon a thrilling wintertime expedition to Yellowstone National Park for a unique opportunity to witness packs of wolves in their pristine natural habitat. Aboard specially equipped vehicles ...