Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went ...

Learn - Discover more about your favourite dinosaurs with Andy's dinosaur fact files. Head over to Bitesize to play Dinosaur Discovery to build and test primary school science skills.

Viktor Radermacher, University of the WitwatersrandAn artist’s rendering of Ledumahadi mafube. Some 200 million years ago, a 12-ton dinosaur that was double the size of an African elephant ...