Learn more about the evolution of domesticated dogs from wolf to pug.

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 ...

Genetic testing revealed that the two-year-old animal, surrendered to the B.C. SPCA early this year, was 35.4 per cent gray wolf.

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 ...

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

Wolf-dog hybrids are bred by crossing domestic dogs with wolves, sometimes just a few generations back. They carry physical traits and instincts that set them far apart from standard breeds. These ...

Here’s what you’ll learn when you read this story: There are wolves that look like dogs, and dogs that appear suspiciously like wolves. For most, this is just a symptom of the fact that dogs are ...