According to the recent article about the shocking killer whale attack, this is the first widely observed occurrence of an orca hunting and killing a great white shark by itself. This occurrence ...

For years, the megalodon has been imagined as a monstrous version of the great white shark. Depictions in movies and documentaries show a stocky, torpedo-shaped predator, built for speed and power.

Estimates suggest megalodon actually grew to between 15 and 18 metres in length, three times longer than the largest recorded great white shark. It may have been comparable in length to today's ...