The Labrador retriever has reigned supreme as the most popular dog in the United States for 31 years, according to the American Kennel Club, which describes the breed as friendly, active and outgoing.

The American Kennel Club website describes the ideal form and temperament of 204 dog breeds, from the affenpinscher (“loyal, curious and famously amusing”) to the Yorkshire terrier (“feisty, brave and ...

The largest-ever study of dog behavior, tracking more than 47,000 pets, reveals how breed, size, sex, and age shape canine traits. It provides insights that could help identify early signs of illness ...

CORVALLIS, Ore. – Dogs with owners who have high expectations and are highly responsive to their dog’s behavior and needs are more social, more secure when away from their owners and more persistent ...