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

However, a ‘smile’ from a dog doesn’t always indicate that they’re happy or content, and could actually signify one of a few different things. If you think your pup’s smiling ...

A happy dog will exhibit relaxed and loose body language. This includes soft, relaxed eyes, a mouth that may be slightly open ...

"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't seem to ever smile, at least not like people do. I was wondering if I am ...