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 ...

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

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

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

Genomic analysis of more than 2,700 dog and wolf genomes shows that most modern dogs carry small traces of post-domestication ...

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

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

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

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

Two studies provide scientists with a more comprehensive understanding of how early dogs were domesticated as they migrated around the world alongside humans ...

"This suggests that dog genomes can 'tolerate' wolf DNA up to an unknown level and still remain the dogs we know and love," ...