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

The wolf DNA isn't left over from when dogs and wolves diverged; instead, it most likely came from interbreeding in the past ...

When scientists compared the DNA of thousands of dogs and wolves, they found the two species were not as separate as once ...

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

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

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

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

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

New research suggests that most modern dogs carry a small but detectable dose of wolf DNA acquired after domestication.

Scientists have long wondered when the domestication of dogs first started. Dogs are believed to be the first domesticated ...

Learn more about how ancient wolf DNA is still found in modern dogs, and how it’s shaped those breeds.