The fossil bones of a giant, long-necked swimming reptile from the age of the dinosaurs have resolved a long-held mystery about the animals and how they reproduced. Those denizens of ancient seas - ...

The long-necked marine reptiles known as plesiosaurs are one of the icons of the dinosaur age. But all the fossil skeletons found so far come from the Jurassic period. Now we’ve found a nearly ...

The ancient world was a bizarre place, populated by peculiar creatures that defied imagination, from the depths of the ocean to the highest reaches of the sky. Among them was the fearsome plesiosaur, ...

The plesiosaur — an aquatic dinosaur once thought to exclusively reside in saltwater — is now believed to have spent much of its time in freshwater, according to a new study. The discovery is likely ...

An abundance of teeth and other bones researchers unearthed at a 100 million year old riverbed in Morocco support a suspicion that the plesiosaur, a sea dinosaur, might have also lived in freshwater.

The discovery of a giant 100 million-year-old marine reptile's skeleton in Australia has been hailed by researchers as a breakthrough that may provide vital clues about prehistoric life.The remains of ...

A newly discovered plesiosaur fossil suggests several species of the long-necked marine dinosaur roamed the oceans 180 million years ago. The nearly complete specimen of Plesiopterys wildi from ...

Even museums sometimes get things wrong. It hurts a bit to say that because I have spent most of my adult life working in museums. A recent report dealt with the skeleton of a plesiosaur on display at ...