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?

Leonie Helm is a Newsweek Life Reporter and is based in London, UK. Her focus is reporting on all things life, from abolishing the monarchy to travel to aesthetic medicine. Leonie joined Newsweek in ...

A woman who owned a Schipperke (a small black and usually tailless dog) asked me, "My dog doesn't have a tail to wag to tell me whether he is happy or not. I have looked at his face a lot and he doesn ...

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 ...