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.

Pteranodon vs. Pterodactyl: Comparing Non-dinosaur Species

Giganotosaurus vs. T. rex: Two Dinosaurs With Big Reputations

What Was the Most Dangerous Dinosaur in Prehistory?

Barapasaurus

Brontosaurus vs. Brachiosaurus: Comparing Long Necks

Ceratosaurus: The Horned Lizard of the Jurassic Period

Meet Archaeopteryx, a Feathered Dino With Wings and Teeth

Iguanodon Skeletons Are the Most Complete of Any Dinosaur

Utahraptor: The Salty Saga of a Killer Dinosaur

Nigersaurus: The 'Mesozoic Cow' With More Than 500 Teeth

Carcharodontosaurus Rivaled T. rex as a Shark-toothed Hunter

Kaprosuchus Was a Giant, Dinosaur-eating 'Boar Croc'

Quetzalcoatlus: The Largest Flying Creature in Earth's History