Megalodons were the biggest sharks on the planet. Recent studies show how these apex predators reached lengths of 50 feet with heads the size of cars.

A lost necklace made from the tooth of a megalodon shark has been found in the iconic wreckage of the RMS Titanic. The necklace hasn't been seen since the infamous sinking of the luxury passenger ...

During a recent full-digital scan of the Titanic wreck, the luxury ocean liner that sank more than 100 years ago, British company Magellan found something unexpected. In what Magellan called “the ...

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 Imagine traveling back in time and observing ...

The ocean depths are full of mysteries and monsters. But some of its greatest secrets and behemoths lie not beneath the waves ...

A necklace carrying the tooth of a prehistoric shark known as a megalodon has been discovered in the wreckage of the Titanic during a digital scan of the sunken ship. For more than 100 years, the ...

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The megalodon, which went extinct millions of years ago, was the largest shark ever to prowl the oceans and one of the largest fish on record. The scientific name, Otodus megalodon, means "giant tooth ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Paleobiologist Dr ...