Millions of years ago, the megalodon shark was one of the scariest creatures to ever lurk in our seas. And even before that, the mosasaurs reigned supreme, terrorizing every ocean creature in sight.

Scientists have discovered a new species of mosasaur, large, carnivorous aquatic lizards that lived during the late Cretaceous. With 'transitional' traits that place it between two well-known ...

The curious minds at What If imagine an epic battle between a Megalodon shark and a massive Mosasaurus, exploring which prehistoric predator would dominate the oceans.

Jormungandr, a 24-foot aquatic lizard that lived 80 million years ago, is found to be a transitional species between two well-known mosasaurs “If you put flippers on a Komodo dragon and made it really ...