Explore the Evolutionary Timeline

Trace the origin of life back in time to the Earth's creation.

Origin of Species

Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
Evolution Timeline
After the dinosaur extinction, mammals evolved rapidly. Primates were common tree climbers in the tropical rain forests that covered much of North America during the warm, wet Eocene epoch about 50 million years ago. (Courtesy Denver Museum of Nature & Science)
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