Add Yahoo as a preferred source to see more of our stories on Google. Those tiny, fluffy dogs walking down the street may look cute but beware — they probably have some wolf in them. That is the ...

Have you ever wondered about the wild roots of your furry friend? A groundbreaking study reveals that approximately 66% of modern dog breeds carry detectable levels of wolf DNA. This isn't just a ...

Every family dog carries a long evolutionary story in its cells, one that traces back to gray wolves even if the animal on your couch looks more like a teddy bear than a predator. When people send off ...

Chihuahuas have about 0.2 percent wolf ancestry, according to a new study. While that chihuahua might seem about as similar to a wolf as a shrub is to a mighty redwood tree, some small breeds like the ...

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 ...

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 US scientists, who were surprised to find ...