New research from Purdue University’s College of Veterinary Medicine shows that some breeds of dogs have hidden coat colors – and in some cases, other traits – that have been lurking all along.

Many dog breeds are purely about appearance—think poodles and the Pekingese. But plenty of other breeds, like racing greyhounds, are devoted to specific tasks. For many of these tasks, physical ...

The way we associate certain behavioral traits with certain breeds can be a huge factor in our relationships with dogs, from parents with toddlers and family-friendly labradors to couch potatoes and ...