WHAT'S INSIDE: DINOSAURS

It isn't hard to imagine the world full of dinosaurs, even though these extinct animals haven't walked the earth for millions of years. Learn all about dinosaurs, including early dinosaur discoveries, dinosaur fossils, and dinosaur extinction.
  • About Dinosaurs
  • Early Triassic & Jurassic Dinosaurs
  • Middle & Late Jurassic Dinosaurs
  • Early Cretaceous Dinosaurs
  • Late Cretaceous Dinosaurs

FEATURED: DINOSAURS

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FPO

Thanks to the sensationalism of blockbuster movies like Jurassic Park, the Tyrannosaurus rex has a nasty reputation as an evil man-eater. But was that really the case? Was the Tyrannosaurus rex a predator or really a scavenger? Take our quiz to learn about the cases for and against.

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Tarchia

This ankylosaur is known from two species. Tarchia giganteus is known from a complete skull and a partial skeleton. But, except for the skull, little of the material has been described. Learn more about the Tarchia and other Late Cretaceous dinosaurs.

Saltasaurus

From Salta in Argentina, Saltasaurus was described from several incomplete skeletons, none of which were found with a skull. This medium-size sauropod was dwarfed by its giant relative Antarctosaurus, also from South America.