Mosasaurs, giant marine reptiles that existed more than 66 million years ago, lived not only in the sea but also in rivers. This is shown by new research based on analyses of a mosasaur tooth found in ...

(Phys.org) —A trio of researchers studying a mosasaur fossil found in Jordan report in their paper published in the journal Nature Communications, that the late cretaceous period reptile clearly had a ...

Researchers said they had discovered a new line of mosasaur, a giant sea-dwelling creature that lived alongside the dinosaurs. Its name, Jormungandr walhallaensis, draws on Norse mythology. By Orlando ...