Add Yahoo as a preferred source to see more of our stories on Google. Chihuahuas have about 0.2 percent wolf ancestry, according to a new study. While that chihuahua might seem about as similar to a ...

Those tiny, fluffy dogs walking down the street may look cute but beware — they probably have some wolf in them. That is the discovery announced on Monday by U.S. scientists, who were surprised to ...

"My husky mix is around 13 [percent] wolfiness. It was surprising at first, but she does murder a lot of pigeons," said one user.

If you’ve ever joked that your lap dog was ferocious or your furry friend had some wolf in her, you might be right. A genetic analysis of nearly 2,700 modern and ancient canines suggests that most ...

New research led by scientists at the American Museum of Natural History and the Smithsonian's National Museum of Natural History reveals that the majority of dogs living today have low but detectable ...

That isn’t usually supposed to happen.

Most pet dogs carry a little wolf inside them; tiny snippets of wolf DNA that slipped into dog genomes after domestication. A new study, published in Proceedings of the National Academy of Sciences, ...

Wolfdogs are becoming a popular choice worldwide with people looking for furry companions. Conservationists are growing increasingly concerned these hybrids could interbreed with wild wolf populations ...