A sweeping genetic study has revealed that most modern dogs carry traces of wolf DNA, a legacy of ancient and more recent interbreeding. From tiny chihuahuas to Arctic sled dogs, this wolf ancestry ...

Researchers previously thought dingoes were distance cousins of domestic dogs, though still genetically similar enough to frequently breed with the wild canines, creating hybrids. However, recent ...

Most modern dog breeds have small amounts of wolf ancestry from long after dogs were domesticated, according to a new study. The wolf DNA isn't left over from when dogs and wolves diverged; instead, ...