How did Megalodon sharks go extinct?

Megalodon was the biggest shark species that ever lived. The biggest ones were almost 60 feet long, which is longer than a school bus! These gigantic sharks went extinct millions of years ago, but why? We asked paleontologist Kallie Moore to help us find the answer. Got a question that you megalo-don’t know how to answer? Send it to us at BrainsOn.org/contact, and we’ll hunt down an expert to explain!