Scientists have discovered a new species of mosasaur, a giant sea-dwelling lizard that dates back to the age of the dinosaurs, that stands out because of its unique, star-shaped teeth. It’s thought ...

A giant ocean predator that terrorised the seas during the time of the dinosaurs may have also hunted in rivers, a tooth fossil discovered in North Dakota suggests. The extinct lizard-like reptile ...

Mosasaurs were the apex predators of the oceans during the reign of the dinosaurs, but new research reveals dinosaurs weren't safe from them in rivers either. Researchers from Sweden, the US, and the ...

Researchers have discovered a new species of mosasaur, a terrifying prehistoric reptile that lived during the age of dinosaurs, in Morocco. Known as Gavialimimus almaghribensis, the new species had a ...

A giant ocean predator that terrorised the seas during the time of the dinosaurs may have also hunted in rivers, a tooth fossil discovered in North Dakota suggests. The extinct lizard-like reptile ...

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The ancient seas of the Late Cretaceous period would’ve been scary places to swim. Between 66 million and 100 million years ago, the world’s waterways were chock-full of real-life sea monsters. Not ...

An artist's rendering of a new species of mosasaur named Xenodens calminechari. The marine reptile was about the size of a porpoise and had serrated shark-like teeth. Andrey Atuchin A newly unearthed ...

Late in the Cretaceous Period, when tyrannosaurs and their kin were the ruling predators on land, large swimming reptiles ruled the seas. Among them were the plesiosaurs and the mosasaurs. The suffix ...

The cradle of palaeontology – the study of fossil remains of animals and plants – lies in the Maastricht limestones, where the first Mosasaurus was discovered in 1766. The Dutch-Belgian border area ...