When scientists compared the DNA of thousands of dogs and wolves, they found the two species were not as separate as once ...
A team of researchers from the American Museum of Natural History and the Smithsonian National Museum of Natural History ...
The wolf DNA isn't left over from when dogs and wolves diverged; instead, it most likely came from interbreeding in the past ...
Most modern dogs carry traces of wolf ancestry that subtly influence their behavior, appearance, and environmental adaptations.