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 ...

An international research team used 3D modeling and engineering simulations to reconstruct the bite mechanics of Late Cretaceous marine reptiles, revealing how species like plesiosaurs and mosasaurs ...

A host of unique crocodylian species ruled the roost in Australia and surrounds for millions of years – until humans came ...

A newly discovered raptor-like dinosaur from Patagonia is changing how scientists think about ancient predators. Named Kank australis, the 70-million-year-old dinosaur appears to have hunted fish much ...

A new exhibition at London’s Natural History Museum shines a light on Jurassic marine life and asks what their extinction ...

A newly identified mosasaur from Texas suggests that some ancient marine predators were larger, more powerful, and possibly ...

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

This mosasaur skeleton is not what we thought. (Zietlow et al., Bull. Am. Mus. Nat. Hist., 2026) A prehistoric predator to rival the most fearsome giant of them all has just been discovered lurking ...

At a glance, alligators and crocodiles look nearly identical. Both are massive reptiles with armored skin, powerful jaws and a prehistoric lineage that stretches back more than 200 million years.

A crew of coal miners in India were digging in the ground until they unearthed a 50-foot monster that lived during one of the ...