The funny Super Bowl commercial starring William Shatner is valuable for illustrating how to healthily embrace jokes about one's name.

Cheerful people sometimes carry quiet exhaustion behind their smiles. But small behaviors can often reveal it.

A psychologist explains the evolutionary and psychological roots of laughter, and what an infant’s giggles teach us about how adults bond.

It’s your turn to be the judge: Vote for one of these funny animal photos from the Comedy Wildlife Photography Awards and help decide who wins the People’s Choice Prize. Widely described as “the ...