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
Thirty-four million years ago, the world's climate began to cool and become more seasonal. The Antarctic ice cap began to form, forests gave way to savannas and large, herding, grazing mammals became common for the first time. (Courtesy Denver Museum of Nature & Science)
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