Babies may laugh like some apes a few months after birth before transitioning to chuckling more like human adults, a new study finds. Less is known about how human babies laugh. So Mariska Kret, a ...

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, ...

Some of the greatest joys of early parenthood involve watching your baby learn to communicate and express themselves as they grow. At this stage, newborns communicate mostly by crying and show ...