In fact, a T-rex would have been a quick snack for megalodon. Its head would have easily fit inside the gargantuan shark's mouth.

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 ...

As the top predator of its day, megalodon feasted on small whales, sea turtles, seals and large fish in shallow seas around the globe. Its serrated teeth were handy for slashing through skin ...

Last year, the Shark Week team built a full-size model of megalodon, to see if it could hunt and kill giant whales. You can see video on the Shark Week website.

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 ...

it's closer in length to a modern sperm whale. Its stomach may have held 10,000 litres, that's enough for it to have eaten 20 whole cows...if cows swam in the sea. How big are the megalodon's ...

Millions of years ago, the hunting whale called Livyatan (L. melvillei) had to compete with the massive shark called megalodon (O. megalodon) for resources. These two lived together over 9 million ...

The battle for diminishing stocks of whales and other prey may have pushed the megalodon to extinction three million years ago. Environmental pressures, such as sea level changes, also played a role.

Here's what to know about this ancient superpredator, who dwarfs today's great whites and killer whales. (Credit: Baris-Ozer/Shutterstock) The megalodon, an ancient and colossal shark species ...

Similarly, the methodology behind the initial size estimates of the whale Perucetus were called ... reasonable debate about how best to estimate Megalodon’s size. Science News sponsorship ...

A solitary killer whale, or orca, has been filmed hunting and killing a great white shark in an "astonishing" attack. Scientists said it was "unprecedented" and showed the exceptional predatory ...