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 ...

Turns out we may be unfairly stereotyping dogs. Modern breeds are shaped around aesthetics: Chihuahuas’ batlike ears, poodles’ curly fur, dachshunds’ hot dog shape. But breeds are frequently ...

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.

These days, many people have got the message that it’s important to train dogs with reward-based methods (for example, giving the dog a treat when they sit to reinforce the behavior and make it happen ...

Dogs may be loyal, but they are not emotionless. When something bothers them, their behavior often changes in clear but misunderstood ways that many owners overlook.