Eons
When Fish First Breathed Air
Before a group of fish could live on dry land, they acquired the ability to breathe air.
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Eons
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Eons
How the T-Rex Lost Its Arms
Tyrannosaurus rex had tiny arms. How did this happen, and why did it keep them?
Eons
FAQs From Our First Year
To celebrate our first anniversary together, we’d like to answer some of your questions.
Eons
When Insects First Flew
Insects were the first animals to fly. Scientists are still working on how it happened.
Eons
The Mystery of the Eocene’s Lethal Lake
In the 1800s, miners found beautifully preserved fossils of animals from the Eocene.