Need a pick-me-up today? Watch a video of a smiling dog – it should do the trick. But is your dog really "smiling" in the way humans understand it? And if so, what is it trying to communicate?

Need a pick-me-up today? Watch a video of a smiling dog – it should do the trick. Any dog can smile, and according to veterinary behavior specialist Dr. Lore Haug, some breeds are even genetically ...

On today's episode of the 5 Things podcast: Need a pick-me-up today? Watch a video of a smiling dog – it should do the trick. But is your dog really "smiling" in the way humans understand it? And if ...

Dogs may have started smiling because they realized that smiles made humans soften toward them and give them treats and praise. A pooch that knows how to read your body language may even smile back at ...