Look into the jaws of a Mosasaurus and you will gaze into a nightmare. The seagoing lizard’s curved teeth stand in a line that point backwards to the throat, an extra set of piercing teeth on the roof ...

Imagine swimming in the ocean and suddenly spotting a creature larger than any shark, faster than any human can sprint, and more vicious than any predator alive today. Meet the Mosasaurus, a marine ...

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 ...

The predators, which were made famous in the “Jurassic World” franchise, likely arose at least three times Riley Black | Science Correspondent In 1780, before the word “paleontology” had even been ...

In 2015, paleontologists unearthed a new mosasaur species, Jormungander walhallaensi, in North Dakota. This 24-foot-long "sea dragon" lived 80 million years ago and bridges the evolutionary gap ...