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

New studies of canine genetics shed light on the diversity of dogs and our longstanding, still-evolving relationship to them.

Wolf-dog hybrids are bred by crossing domestic dogs with wolves, sometimes just a few generations back. They carry physical traits and instincts that set them far apart from standard breeds. These ...

Wolves and dogs don’t normally breed in the wild, largely because wolves are so territorial. But an exception has been found. While wild dog-wolf hybrids had previously only been suspected through ...

New research led by scientists at the American Museum of Natural History and the Smithsonian's National Museum of Natural ...

A biotech company says it has bred three animals with key physical features of the dire wolf — a species that has been extinct for more than 12,000 years. Colossal Biosciences says it used novel ...