There is a distinctive and easily recognized open-mouth expression that is the canine equivalent of a human smile, ...

"Understanding your dog's behavior can deepen your bond and help you respond to their emotional needs," Dr. Scales-Theobald said.

The flooding of North Carolina after Hurricane Helene forced shelter workers to relocate a 2-year-old dog to a rescue in Missouri. Yet, the pup is still “smiling,” according to a Feb. 1 Instagram post ...