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 ...

Remains on a small island in the Baltic Sea suggest that humans kept and cared for wolves for thousands of years before they domesticated dogs. Archaeologists unearthed two 3,000 to 5,000-year-old ...

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 ...

A pet dog who is nearly all wolf named Leeloo will not be put down thanks to the help of social media. Leeloo was seized from her Huntington Beach home in June after she bit her owners' friend's ...