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 ...

Pet owners have long joked that their dogs and cats are starting to look alike, but new research suggests that convergence is not just in our imaginations. Across living rooms and Instagram feeds, ...