Just in time for summer, the megalodon—the ancient, city bus-sized shark known as the “Megatooth”—has reared its ravenous snout. While the oceans are now safe from the Megatooth, which went extinct an ...

In "Jaws," the shark famously doesn't pop his head out ... Spielberg used the same trick for T. rex in "Jurassic Park," to terrifying effect. Before making its first appearance, the giant dinosaur ...