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

The two subspecies split about 20,000 years ago. But since then, they may have interbred more often than Smithsonian ...

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

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

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

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 ...

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

DENVER (KDVR) — On Wednesday, Colorado Parks and Wildlife announced that three new wolf packs had formed in the state from wolves reintroduced to the area in 2023 and 2025. On Thursday, CPW shared ...

At least one more litter of wolf pups has been born in Colorado, state wildlife officials confirmed Thursday. Colorado Parks and Wildlife biologists are watching four dens and have seen pups and ...

Jun. 4—Asha first captured public imagination when the endangered wolf twice wandered outside the bounds of the wolf recovery area in 2023, but the female Mexican gray wolf just embarked on a new ...