Humans began selectively breeding dogs around 2,000 years ago, and these genes play a role in your pup's behavior, a new study of 4,000 purebred, mixed-breed and wild dogs finds. When you purchase ...

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 ...

A study involving some 11,000 dogs demonstrated that the gender, age and breed of the dog, as well as any behavioral problems and certain environmental factors, are connected to hyperactive and ...