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

This is because dogs have a muzzle which is constructed differently than our mouths. All vertebrate animals, except humans, have muzzles. Lions, bears, and alligators, all have a projecting mouth ...

As Love Island's Jack Fincham is released on bail after being jailed for six weeks following repeated attacks from his 'out ...