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When Dinosaurs Roamed America: Fossils in the U.S.

Related Article: Learn more about dinosaurs.

In this program, learn more about the anatomy and physiology of these prehistoric creatures as you study dinosaur fossils in different regions of the United States.

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Building Dinosaur Models from Fossils (2:47)

Watch this video about paleontology on HowStuffWorks. University of Chicago fossil preparator, Tyler Keillor, discusses the iterative process of creating the model for Tiktaalik, the fossil discovery by paleontologist Neil Shubin that fills in the... More »

The Extinction of the Dinosaurs (0:56)

The few mass extinctions in Earth's history include that of the dinosaurs and maybe 65 percent of the other species in the world 65 million years ago.

When Dinosaurs Roamed America: Fossils in the U.S. (52:00)

In this program, learn more about the anatomy and physiology of these prehistoric creatures as you study dinosaur fossils in different regions of the United States.

When Dinosaurs Ruled: Australia (51:44)

In this video, paleontologist Tom Rich uncovers dinosaur bones in curious places that may tell us more about the dinosaurs. Following fossil evidence, Rich reveals how these dinosaurs survived on a frigid landmass that linked Antarctica and... More »

When Dinosaurs Ruled: Africa (51:45)

Paleontologists believe that Africa is the birthplace of dinosaurs, but some fossil evidence has fueled an evolutionary debate. Check out this video to discover what the bone of contention is.

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Mammals vs. Dinos: Tyrannosaurus Rex (1:09)

On the Science Channel's "Mammals vs. Dinos," evidence suggests that the Tyrannosaurus Rex lived as a family unit, caring for their young and living cooperatively.

Mammals vs Dinos: Sinosauropteryx (2:02)

On the Science Channel's "Mammals vs. Dinos," meet Sinosauropteryx, a feathered dinosaur. This discovery changed the way scientists viewed dinosaur evolution. Sinosauropteryx was a ferocious hunter that dominated prehistoric Liaoning.

Mammals vs Dinos: Early Nocturnal Mammals (2:44)

During the age of the dinosaurs, sensory evolutionary advances allowed mammals to venture into a nocturnal world. Keen senses, such as hearing enabled them to hunt and explore while predators slept. Learn more on the Science Channel's "Mammals vs.... More »

Dinosaur Feather Mystery: Microraptor (1:03)

In 2003 the Microraptor fossil was found. This discovery may hold the answer to the origin of flight. Learn more about this species on the Science Channel's "Dinosaur Feather Mystery."

Origin and Evolution of Life: Dinosaurs (2:44)

Learn more about dinosaurs in this video.

Uncovering Fossils: Small Dinosaur Discoveries (17:57)

Scientists are continually discovering fossils that change the way they think about the past. In this video, witness the discovery of an unusually small sauropod. Then learn about a flying dinosaur that was the size of a chicken.

When Dinosaurs Ruled: Keystones to Paleontology (0:58)

In this video, scientists explain why they believe many dinosaur fossils have yet to be found in Antarctica and Australia.

When Dinosaurs Ruled: Leaellynasaura's Night Vision (3:43)

Take a look at this video to learn more about the Leaellynasaura and how it evolved to thrive in its region's cold, dark winter months.

When Dinosaurs Ruled: Timimus Hibernation Adaptation (3:28)

In this clip, learn how scientists analyzed the bones of Timimus and discovered that it hibernated in the winter.

When Dinosaurs Ruled: Birdlike Dinosaur Found (2:45)

Check out this video to learn more about the bird-like dinosaur, Timimus, one of the groups of dinosaurs known as Ostrich-Mimics.