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.

Pets are expensive and reservoirs for diseases. So why do we care so much? Where do I begin? asks Charles Foster.

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

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.

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

Every household dog, from a towering Great Dane to a trembling toy breed, traces back to wild wolves. New genetic work shows ...

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

Many dog owners may not be surprised to learn that most dogs still carry some wolf DNA in their genomes. Domestication has ...

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