The ocean’s ultimate predator once hunted whales with ease. Here’s why the world’s biggest shark eventually vanished off the face of the Earth.

LAS VEGAS - SEPTEMBER 30: One of the world's largest set of shark jaws comprised of about 180 fossil teeth from the prehistoric species, Carcharocles megalodon, which grew to the size of a school bus, ...

Well, there’s only fossil records to go off, but scientists have some ideas. According to a Smithsonian report on the carcharocles megalodon: “ Carcharocles megalodon was once the most fearsome ...

Florida archaeologists recently discovered several complete skeletons of an extinct species of elephants called gomphothere, marking a historic find at the Florida Museum of Natural History’s ...

The largest known shark that ever lived, Carcharocles megalodon, ruled the seas for over 20 million years. The enormous toothy predator, which could grow to about 60 feet long, seemed indestructible.

A young boy has found an enormous tooth from a prehistoric shark in South Carolina. The boy was taking part in a fossil hunting trip in Summerville hosted by Palmetto Fossil Excursions (PFE) when he ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...