Two studies provide scientists with a more comprehensive understanding of how early dogs were domesticated as they migrated around the world alongside humans ...

The two subspecies split about 20,000 years ago. But since then, they may have interbred more often than Smithsonian ...

Wolf DNA seems to have influenced the size, smelling power and even personality of modern dog breeds, scientists said.

Dogs and wolves living today derive from a shared ancient wolf population that lived alongside woolly mammoths and cave bears ...

The scientists found that 64.1% of modern breed dogs carry wolf ancestry due to genetic crossbreeding nearly 1,000 ...

Finally, Fido has a proper family tree. Genetic researchers have assembled the most definitive evolutionary tree of dogs using gene sequences from 161 modern breeds. The map of dog breeds and how they ...

U.S. scientists analyzed the DNA of numerous modern-day dog breeds, and found that two-thirds of pet dogs have traceable wolf ...

The wolf DNA isn't left over from when dogs and wolves diverged; instead, it most likely came from interbreeding in the past ...