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

Scientists find wolf DNA in most modern dog breeds, revealing widespread ancestry that shaped size, behavior and adaptation.

High-wolf-content dogs, for instance, appear more suspicious of strangers and territorial, while low wolf-content dogs appear ...

Some massive breeds such as the St. Bernard completely lack wolf DNA, but the tiny Chihuahua retains detectable wolf ancestry ...

On average, terriers, gundogs, and scent hounds have the least wolf ancestry. While some large guardian dogs have high wolf ancestry, others including the Neapolitan mastiff, bullmastiff, and the St.

Tests are finding wolf DNA in domesticated dogs and it could be affecting their behavior.

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

Most modern dogs carry traces of wolf ancestry that subtly influence their behavior, appearance, and environmental adaptations.

New research led by scientists at the American Museum of Natural History and the Smithsonian's National Museum of Natural History reveals that the majority of dogs living today have low but detectable ...

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 ...

Those tiny, fluffy dogs walking down the street may look cute but beware - they probably have some wolf in them. United ...