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Animals | Extinct Animals | About 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.

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Dinosaur Encyclopedia

It isn't hard to imagine this scene even though dinosaurs haven't walked the earth for millions of years. Dinosaurs have captured our imaginations. These dinosaur articles have been written to lead you into the exciting world of dinosaur research and back to the "Age of Dinosaurs."


Were iguanodon's thumbs murder weapons?

 Were iguanodon's thumbs murder weapons?

Iguanodon and its thumbs continue to perplex us. Find out if iguanodon's thumbs were used as murder weapons at HowStuffWorks. See more »

The Ultimate T. Rex as Predator or Scavenger Quiz

 The Ultimate T. Rex as Predator or Scavenger Quiz

Does the T. rex deserve its reputation as a predator or was it really a scavenger? Take our quiz and learn whether the T. rex was a predator or scavenger. See more »

The Ultimate Today's Animals and Dinosaurs Quiz

 The Ultimate Today's Animals and Dinosaurs Quiz

Some animal species living today were contemporaries of the dinosaurs. Take our quiz and learn about today's descendants of dinosaur contemporaries. See more »

Amazing Animals: Dinosaur Quiz

 Amazing Animals: Dinosaur Quiz

Dinosaurs disappeared from the earth around 60 million years ago, but many of their ancestors are still around. Take this dinosaur quiz to learn more. See more »

Dinosaur Discoveries

 Dinosaur Discoveries

The oldest record of a fossil dinosaur bones discovery is in a Chinese book written between 265 and 317 A.D. Learn more about dinosaur discoveries. See more »

Modern Dinosaur Discoveries

 Modern Dinosaur Discoveries

Modern dinosaur discoveries in the USA and Canada detail important discoveries in recent times. Learn about modern dinosaur discoveries in the USA and Canada. See more »

Dinosaur Evolution

 Dinosaur Evolution

Dinosaur evolution looks at how dinosaurs developed and changed over the course of time. Learn about the evolution of dinosaurs and dinosaur evolution. See more »

Dinosaur Extinction

 Dinosaur Extinction

Dinosaurs went extinct at the end of the Cretaceous Era. Learn the theories that try to explain what happened to the dinosaurs and why they went extinct. See more »

Recent Dinosaur Discoveries

 Recent Dinosaur Discoveries

Dinosaur interest soared in the 1990s, mostly due to the film Jurassic Park and new dinosaur discoveries. Learn about more recent dinosaur discoveries. See more »

Types of Dinosaurs

 Types of Dinosaurs

Types of dinosaurs include the lizard-hipped dinosaurs and the bird-hipped divisions of dinosaurs. Learn about some of the different types of dinosaurs. See more »