Parents of teens who go through early puberty may be more lenient about letting them drink alcohol. But even if they look mature, alcohol still isn't safe.

"We have known for a long time that we humans have a unique fertility curve." New research offers an explanation.

A newly discovered gene in roundworms may contribute to the timing of puberty.

Puberty is something we all go through, but there's limited science to explain what's going on in the body. Hair may change that.