The role for which a dog was bred—say retrieving birds—is reflected in their brain structure, according to a study of 33 breeds.

Bringing a dog into your family can be one of the most rewarding decisions you make. A dog adds companionship, teaches kids responsibility, and creates beautiful lifelong memories. But not all breeds ...

Our best friends come in a fantastic array of shapes and sizes; a Borzoi looks nothing like a Boston terrier, except for a certain fundamental, ineffable (except to taxonomists) doggyness about them.

A genetic study shows how human breeding choices influence ear length in dogs and why those traits persist across breeds.

Whether you have a Velcro dog who follows you from room to room, or a pup who is happy to nap on his own in the next one, the amount of alone time each pet needs varies far more than most owners ...

Researchers found "some dogs are better at certain things than others," Salomons explained.

The U.S. still has a major case of French bulldog fever, but a very different breed is staunchly chasing dog lovers' hearts, according to American Kennel Club statistics released Wednesday. For the ...