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 ...

Explore how wolf DNA in dogs shapes behavior and instincts. Learn about the genetic link between modern dogs and their ...

Many dog owners may not be surprised to learn that most dogs still carry some wolf DNA in their genomes. Domestication has changed dogs dramatically from their wolf ancestors, but most do still have ...

A new study from the American Museum of Natural History and the Smithsonian’s National Museum of Natural History, showed that most modern dogs carry small but detectable traces of post-domestication ...

The gray wolf, also called the timber wolf, is the largest member of the canine family with fur ranging from gray to brown, black or white. Smithsonian's National Zoo and Conservation Biology ...

There’s no doubt. The greyish coat, the effortless trot over soft snow, the way it stops, stalks, then strikes, picking off a marmot and ending it with one bite: it’s a wolf. That’s what I’m watching ...