For thousands of years, humans have selectively bred dogs to fulfill specific roles, ranging from guarding and hunting to herding and companionship. This deliberate shaping of traits has resulted in ...

It seems the diversity of domestic dogs first began developing thousands of years before humans started intensely shaping modern breeds in the 19th century—challenging what we thought about canine ...

Modern dog breeds come in a mind-boggling array of shapes and sizes—from Chihuahua to Great Dane, corgi to greyhound, pug to German shepherd. In fact, the domestic dog, Canis familiaris, shows more ...

Dogs sit beside us every day, and that closeness feels familiar. Over time, that familiarity can hide quiet changes happening under the surface. One of those changes appears inside the skull, where ...