Those tiny, fluffy dogs walking down the street may look cute but beware — they probably have some wolf in them. That is the discovery announced on Monday by U.S. scientists, who were surprised to ...

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 ...

Although wolf-canine interbreeding has been considered extremely rare, the latest research shows that many present-day ...