Megalodons are considered the largest sharks, and possibly the largest fish, to have ever roamed Earth’s oceans. They lived over 20 million years ago and were once thought to be related to the great ...

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 ...