But is your dog really "smiling" in the way humans understand it ... by pulling one or both lips back and may show all or some teeth. This smiling is accompanied by other greeting behavior ...

Watching this dog’s truly unique but adorable “happy smile” on repeat could heal your soul from within. An Instagram video of a mini Dachshund named Pippa’s extraordinary smile went viral, partly ...

Participants were shown pictures of dogs, for example showing bare teeth, which signals high levels of distress. The children especially misinterpreted that as a smiling and happy dog. The study ...