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 ...

Watch a wolf documentary for a few minutes, then look at a French Bulldog snoring on someone’s couch. It almost feels ...

DENTON, Mont. -- An animal previously believed to be a wolf-dog hybrid is actually just a wolf, a DNA test revealed. "The lab compared the animal's DNA with thousands of other DNA samples from wolves, ...

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 ...