Athletes in the women's team sprint cross country were joined by an enthusiastic but unaccredited companion in Tesero as a dog stole the show at the Winter Olympics. The furry friend, speculated to be ...

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 ...

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 ...

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 ...

What’s furry, cute, and may have ancestral ties to ancient wolves? Possibly, your dog. Researchers at the New York-based American Museum of Natural History and the Smithsonian’s National Museum of ...

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 ...