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

Would this show up as a facial signal, like the smile of a human? It's Not Easy for a Dog to Smile The first thing to note is that there is a limitation on the range of facial expressions produced ...

But is your dog really "smiling" in the way humans understand it ... Get all the news you need in your inbox each morning. Any dog can smile, and according to veterinary behavior specialist ...

Norbert, the Internet's favorite therapy dog, died at 15, his owner announced in an emotional Instagram update on Monday, Jan. 27.

Just as with humans, maintaining good dental hygiene ... Dental issues can affect more than just a dog’s smile; they can have ...