Is it a feathered dinosaur, or the ancestor of birds? Find out about the Archaeopteryx lithographica whose fossil remains show feathers similar to that of a bird, and whose skeleton resembles that of a dinosaur.

Discover the Oviraptorosaur in this impressive field guide presented by the Carnegie Museum of Natural History.

This resource presents a brief overview of the Protoceratops.

Study a Corythosaurus up close with this concise resource from the Carnegie Museum of Natural History.

Deinonychus antirrhopus was a small, carnivorous theropod dinosaur from the Cretaceous Period, first discovered in the United States. A study of its skeleton revealed that it was fast-moving, which went against previously held beliefs...

The Jurassic Period falls within the Mesozoic Era. Read about geologic events that occurred then, the climate, and the plants and animals, including the many types of dinosaurs.