Between 15,000 and 30,000 years ago, a now-extinct population of wolves evolved into dogs, with a little help from humans.

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 ...

New research reveals that most modern dogs still carry small but significant traces of wolf DNA, shaping traits from size to ...

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 US scientists, who were surprised to find ...

Many dog owners may not be surprised to learn that most dogs still carry some wolf DNA in their genomes. Domestication has changed dogs dramatically from their wolf ancestors, but most do still have ...

Scientists have long known that the brains of modern wolves are larger than dogs, but it’s unclear when the impact of ...

Still a good boy. (susaro/E+/Getty Images) Dogs have far smaller brains than their wolf relatives, and now a study led by ...

FLAGSTAFF, Ariz. — The endangered Mexican Gray wolf remains an ongoing conservation topic in Arizona, and during a tour by the Society of Environmental Journalists April 24, wolf advocates, wildlife ...