Leviathan melvillei was one of the most terrifying marine predators to ever exist, dominating the oceans millions of years ...

For more than 500 million years, the oceans have been ruled by an endless succession of giant predators. It began with ...

Megalodon tends to dominate conversations about prehistoric ocean predators. Its massive jaws and oversized teeth have turned it into a pop-culture icon that feels almost mythical. Yet during the ...

Add Yahoo as a preferred source to see more of our stories on Google. A new exhibition at London's Natural History Museum shines a light on Jurassic marine life and asks what their extinction could ...

Researchers say the newly identified Tylosaurus rex was one of the largest and most dangerous marine predators of the Cretaceous Period.

Dive beneath the surface of ancient seas and you’ll find a world teeming with giant reptiles, armour-plated fish and predators with jaws wide enough to swallow you whole.