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 ...

Demand for wolf dog hybrids is surging, raising concerns among conservationists who say the phenomenon threatens the lives of not only wolves but humans as well. While there are reputable breeders, ...

Researchers studying thousands of canine genomes discovered that wolf DNA is still present in most dog breeds. This ancient genetic influence shows up in traits like body size, behavior, and ...

New research led by scientists at the American Museum of Natural History and the Smithsonian's National Museum of Natural History reveals that the majority of dogs living today have low but detectable ...

New research led by scientists at the American Museum of Natural History and the Smithsonian’s National Museum of Natural History reveals that the majority of dogs living today have low but detectable ...