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.


The Ultimate Today's Animals and Dinosaurs Quiz

Dinosaurs became extinct some 60 million years ago, but some animal species that lived side by side with them survived and their descendants live on today. Take our quiz and find out which animals you recognize have their roots in the dinosaur era.

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  • Amazing Animals: Dinosaur Quiz
    Amazing Animals: Dinosaur Quiz

    About 60 million years ago, something happened to wipe dinosaurs off the face of the Earth. These creatures dominated the landscape far longer than humans have been around, but many mysteries remain about their appearance, physiology and eventual extinction. So which of today's animals evolved from dinosaurs? See more »

  • Dinosaur

    Dinosaur is an extinct reptile that lived on land. Dinosaurs lived from about 230,000,000 to 65,000,000 years ago, during the Mesozoic Era. See more »

  • Dinosaur Bones
    Dinosaur Bones

    Dinosaur bones are all we have to study what these animals looked like and how they lived. Some of the most important dinosaur bones that paleontologists study come from the skull. Why is the skull so important? 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 and the places they were made in this article. See more »

  • Dinosaur Encyclopedia
    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." See more »

  • Dinosaur Evolution
    Dinosaur Evolution

    Dinosaur evolution looks at how dinosaurs developed and changed over the course of time. Paleontologists study the different types of dinosaurs and how they are related to each other. How else is dinosaur evolution studied? See more »

  • Dinosaur Extinction
    Dinosaur Extinction

    Dinosaurs became extinct at the end of the Cretaceous Period. How and why is a puzzle that paleontologists are trying to solve by studying fossils and rock formations. Learn more about the different extinction theories. See more »

  • Modern Dinosaur Discoveries
    Modern Dinosaur Discoveries

    Modern dinosaur discoveries in the USA and Canada detail important discoveries in recent times. The United States and Canada are home to some of the most vigorous dinosaur research in the world. What are some of these discoveries? See more »

  • Recent Dinosaur Discoveries
    Recent Dinosaur Discoveries

    Interest in dinosaurs soared to new heights in the 1990s, thanks largely to the blockbuster film Jurassic Park. So too did dinosaur discoveries. Since 1990, more than 100 new dinosaur genera have been described and named. Learn more about recent dinosaur discoveries. See more »

  • The Ultimate T. Rex as Predator or Scavenger Quiz
    The Ultimate T. Rex as Predator or Scavenger Quiz

    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. See more »

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