Add Yahoo as a preferred source to see more of our stories on Google. The megalodon is a prehistoric ancestor of the modern-day shark, and just like it preceded the shark, National Megalodon Day ...
Imagine heading out for a swim and knowing that a shark the size of a bus could be lurking somewhere beneath the surface. This is not the plot of a science fiction movie. It is what life might be like ...
Add Yahoo as a preferred source to see more of our stories on Google. Roaming the ancient seas eons ago, the megalodon shark eviscerated its prey with jaws that were 10 feet wide. Warpaintcobra/iStock ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The prehistoric ...