Wolf DNA seems to have influenced the size, smelling power and even personality of modern dog breeds, scientists said.

Tourists witnessed an extraordinary scene in Yellowstone National Park on Friday as a German Shepherd leaped from the back of a vehicle to chase a young wolf on the side of a road. Dogs are allowed in ...

Some dogs happily stroll along, unaware of the squirrel scurrying right next to them, while other pups can’t contain their excitement at the sight of a small critter, pulling relentlessly on the leash ...