Ha ha! One of the most recognizable laughs in pop culture has just been perfectly imitated by a 6-month-old baby. It turns out that little Joselyn has the same laugh as Nelson, the famous bully from ...

Sometimes a laugh can add sunshine to a down day -- especially if it's one of those authentic, uncontrollable, body-shaking ones. After all, laughter is good for the mind, body and soul, no matter the ...

Laughter transcends all languages – and now scientists know this spontaneous response is universal across some primate species, too. The laughing patterns of human infants match those of great apes, ...