New fossil discoveries are forcing scientists to redraw the boundaries of ancient oceans, suggesting that some of the most ...

Experts suspect that the egg may have been that of a mosasaur, a marine reptile popularized in recent years by the Jurassic ...

Imagine the era of giant snakes dominating Earth; the massive size could easily hunt creatures larger than them. These ancient serpents were not only predators but true monsters ruling over the lands ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.