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.

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

A terrifying map showed gray wolves are moving closer to Denver as the animals have turned toward urban areas after the state ...

Their new study, published in PNAS, examined 2,693 genomes from modern and ancient dogs and wolves. It shows that 64% of dog ...

The scientists found that 64.1% of modern breed dogs carry wolf ancestry due to genetic crossbreeding nearly 1,000 ...

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

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

Dogs were the first of any species that people domesticated, and they have been a constant part of human life for millennia.

U.S. scientists analyzed the DNA of numerous modern-day dog breeds, and found that two-thirds of pet dogs have traceable wolf ...

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