Largest shark that ever lived: Scientists unlock mystery about the megalodon The monster shark, depicted in the 2018 sci-fi horror film ‘The Meg,’ dominated the ocean 3.5 million years ago.

It's back! A massive, 13-foot, 1,400-pound great white shark, known for making a self-portrait of sorts, has surfaced again in Florida waters.. The shark, nicknamed Breton by the OCEARCH ...