A hunter illegally killed a 'rising star' wolf and threw away its GPS collar.

The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects ...

A coyote in Yellowstone was lucky to escape after it got a little too close to a pack of wolves feasting on a bison carcass, ...

These rare kills in Washington State have biologists searching for answers. “Everyone always assumes wolves have the upper ...