Prehistoric sea monster bigger than a killer whale may have terrorised rivers too - The mosasaur may have occupied a similar ...

Sixty six million years ago, sea monsters really existed. They were mosasaurs, huge marine lizards that lived at the same time as the last dinosaurs. Growing up to 12 metres long, mosasaurs looked ...

The mosasaur was the apex predator of the seas when dinosaurs roamed land. Geologists working in Mississippi recently stumbled upon an incredible find: the fossil of an ancient marine apex predator.

An enormous sea snake from Norse legend that was fathered by the trickster god Loki and grew big enough to circle the globe is now the namesake for a different type of “monster” — a newly discovered ...

Geologists in Mississippi unearthed a large vertebra belonging to a Mosasaurus hoffmannii, a giant marine reptile from the late Cretaceous period. The discovered vertebra, potentially the largest ...

Tune into programs about “underground astronauts,” archetype-busting archaeologists and more with the National Museum of Natural History Jack Tamisiea This November, check out a range of natural ...

Nicholas R. Longrich does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...