The plesiosaur is long extinct, but thanks to a biomechanical engineer, it has been reincarnated — as a robot. This new so-called “robosaur” reveals the secret behind the animal’s odd but powerful ...

Researchers identified fossils in a 100-million-year-old Moroccan freshwater system as a marine reptile. Previously, the reptile was thought to have only spent time in saltwater. Some once believed ...