There's a giant, vicious lizard monster lurking in the ocean. It's more massive than any creature that exists today. Say ...

This video explores how Mosasaurus evolved into a marine predator so dominant that it effectively “broke the game” of prehistoric ocean life. Scientists highlight the creature’s immense size, ...

A uniquely preserved ichthyosaur from the Pliensbachian period helps resolve when a major evolutionary shift occurred among ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater rivers alongside dinosaurs and crocodiles. A massive tooth found in North ...

We preselected all newsletters you had before unsubscribing.

The mighty mosasaurs were once thought to have ruled only the oceans — but a new discovery is rewriting that story. In North Dakota, scientists have uncovered a massive tooth lodged in the sediments ...