A jawbone found in a Moroccan mine was thought to be a novel species of marine reptile from the Cretaceous period, but other ...

"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.

Researchers are calling for CT scans to confirm the authenticity of a Cretaceous period fossil that led to the identification ...

A "serrated blade" found sticking from a rock in the United Kingdom has been identified as a "nearly perfect" prehistoric ...

Evidence suggests Cretoxyrhina fed on mosasaurs, plesiosaurs, and even the giant bony fish Xiphactinus, a fierce predator itself. Sharks are made of cartilage, which does not fossilize well.

A mosasaur species with saw-like teeth that was described by scientists in 2021 may have been based on forged fossils, and ...