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

Most pet dogs carry a little wolf inside them; tiny snippets of wolf DNA that slipped into dog genomes after domestication. A new study, published in Proceedings of the National Academy of Sciences, ...

Although wolf-canine interbreeding has been considered extremely rare, the latest research shows that many present-day canines carry a small amount of wolf genes. A surprising study reveals that there ...

The “Tool-Using” Wolf Seeing a gray wolf haul a crab trap out of the ocean looks like a scene from a science documentary that forgot its own rules. In a short video from Canada’s Pacific coast, a ...