In Yellowstone, grizzly bears and wolves live pretty close together, and their territories often overlap. As you can imagine, this leads to some serious fights over food. Bears, being the ultimate ...

Incredible footage from British Columbia shows what may be the first ever instance of tool use by wild wolves. In the recordings, two wolves can be seen pulling on crab trap lines in order to access ...

Every other Friday, the Outside/In team answers one listener question about the natural world. This week, Sarah from Golden, Colo., asked us about wolves and her state's effort to reestablish a wild ...