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

Reviewing the recently released accident investigation report from the September 2023 F-35B Mishap in which a Marine ejected ...

The biggest stories of the day delivered to your inbox.

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 ...