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 ...

New research reveals that most modern dogs still carry small but significant traces of wolf DNA, shaping traits from size to smell. This genetic legacy stretches back thousands of years, with some ...

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 ...

Romulus and Remus, the pups with dire wolf traits that were bred by Colossal Biosciences, are pictured at three months old. A biotech company says it has bred three animals with key physical features ...

A sweeping genetic study has shown that nearly two-thirds of modern dog breeds carry measurable wolf DNA from crossbreeding that occurred long after their initial domestication about 20,000 years ago.