The Megalodon was one of the most massive predators to ever exist - but just how big was it, really? In this video, we dive into the science, fossil evidence, and expert estimates to reveal the true ...

White sharks suffered great declines after the Jaws movie was released. But these iconic predators must be protected.

In this March 16, 2011, photo children look at the Shark Jaw of a Megalodon, a prehistoric shark, at the Museum of Nature and Science in Dallas.

No megalodon jaw fossils have ever been discovered. The replicas seen at many museums are all based on size estimates from teeth or other partial fossils. Photograph by Alexander Demianchuk ...

Roaming the ancient seas eons ago, the megalodon shark eviscerated its prey with jaws that were 10 feet wide. Warpaintcobra/iStock via Getty Images Plus Michael Heithaus, Florida International ...

The megalodon’s gaping jaw allowed it to feed on other huge creatures, eating enough so that it could roam the oceans for months at a time, researchers say.

The jaws of a Megalodon Photo: Ethan Miller/Getty Images Prior to this study, it was widely believed that megalodon probably specialized on large prey like ancient whales and large fish.

The adult megalodon, the Flannerys write, was big enough to be the scourge of the seas and an “emblem of all the unspoken, hidden terrors that haunt our imaginations.” 14 Books We Read This Week ...

'Jaws' vs 'The Meg': A definitive ranking of the best shark movies Unfortunately, size did matter for the megalodon One major reason why the meg went extinct around 3 million years ago: It was ...

Megalodon is dead. This shouldn’t come as a shock. The fossil record is clear that after about 14 million years of feasting on marine mammals, the 50-foot-long, “mega-toothed” shark exited ...

For the study, researchers analyzed a 4-inch (10-centimeters) long split megalodon tooth alongside split fossil teeth from other sharks, to determine what may have caused the deformities.

The megalodon’s gaping jaw allowed it to feed on other huge creatures, eating enough so that it could roam the oceans for months at a time, researchers say.