Add Yahoo as a preferred source to see more of our stories on Google. A prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in ...

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

Wildlife officials are investigating the suspicious death of a gray wolf near Yellowstone National Park. The killing is believed to have taken place on the night of December 25 in an area of southern ...

A gray wolf was illegally shot and killed just north of Yellowstone National Park last month. According to wolf advocates, wildlife watchers and guides, the wolf mostly lived inside the park and was ...