This mosasaur skeleton, belonged to Tylosaurus proriger, measures about 29 feet long and is on display at Sternberg Museum of Natural History in Kansas. Tylosaurs lived about 88 to 78 million years ...

Mosasaurs were a diverse group of marine lizards which, much like whales and other cetaceans, adapted to life in the oceans. And though we’ve been digging them up for 200 years now, new species are ...

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 ...