Modern dogs offer a living record of change shaped by proximity to people. Over time, research shows that brains respond to ...

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 ...

Dogs began diversifying thousands of years earlier than previously believed, with clear differences in size and shape ...

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 ...