The discovery of preserved skin on a 183-million-year-old plesiosaur is revolutionizing our understanding of these extinct marine reptiles. By analyzing the soft tissues of this fossil, researchers ...

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With serpentine necks, flippers and a mouth full of needle-sharp teeth, plesiosaurs have captured imaginations since palaeontologists uncovered the first specimen more than two centuries ago. Their ...

See some of the most complete fossils of these prehistoric sea animals, including ichthyosaurs and plesiosaurs, and learn about the work of pioneering palaeontologist Mary Anning. Plus, look out for ...