Dinosaurs were big reptiles that lived a long, long time ago. Some were huge and others were small. They lived on land and in the sea, but they are now extinct, which means they don’t live on ...

What did a Stegosaurus eat? Where did the Yi find its food? How do we know what dinosaurs looked like? Make predictions, use scientific equipment and perform experiments to find the answers to ...

By using dinosaurs' close reptilian cousins to close gaps in the fossil record, a new model points to an ancient supercontinent as the birthplace of the extinct creatures.