Imagine swimming in the open ocean and suddenly coming face to face with a monster larger than any shark alive today. Faster than a speeding boat and armed with crushing jaws filled with razor sharp ...

The curious minds at What If explore the terrifying reality and ecological impact of a modern ocean dominated by the ...

Add Yahoo as a preferred source to see more of our stories on Google. Engineering simulations of 16 Cretaceous marine reptile jaws show mosasaurs and polycotylid plesiosaurs had fundamentally ...

Tylosaurus rex rewrites the story of giant sea predators, not just for its size but for what its bones reveal about mosasaur identity, violence, and evolution. Fossils long grouped with another ...

Not a dinosaur but a mosasaur — a gigantic ocean apex predator that lived about 80 million years ago Not a dinosaur but a mosasaur — a gigantic ocean apex predator that lived about 80 million years ...

The Western Interior Seaway, which existed roughly 80 million years ago, split North America into North and South. It was a warm, shallow sea teeming with life from the Arctic Ocean to the Gulf of ...