A 183-million-year-old fossil with exceptionally well-preserved soft tissues has revealed that some plesiosaurs were covered in both skin and scales, suiting them to a life stalking the seas for prey.

The discovery of a well-preserved fossil is helping researchers learn more about an iconic Jurassic-period species. The ...

An "exceptionally well-preserved" fossil may hold the key to understanding plesiosaur evolution. The newly discovered plesiosaur fossil, uncovered in Germany, suggests that long-necked marine ...