A fossilized ancient egg discovered in Antarctica nearly a decade ago has finally been identified, shedding new light on prehistoric history. Scientists from the University of Texas at Austin have ...

Dolichorhynchops was a short-necked plesiosaur that used long, paddle-like flippers to fly through the water like a penguin. The marine reptiles were quick and agile underwater acrobats, with ...

Styxosaurus was an elasmosaur, a long-necked variety of the marine reptiles called plesiosaurs. These sea monsters grew upwards of 40 feet (12 meters) long. About half that length was neck, a ...