Scientists found a 307 million-year-old fossil, Tyrannoroter heberti, revealing one of the earliest known land vertebrates ...
Why it's incredible: The forest preserves some of the oldest trees in the world. The Cairo Fossil Forest is a unique collection of 385 million-year-old trees preserved in an abandoned quarry in ...
Life on Earth started in the oceans. Sometime around 475 million years ago, plants began making their way from the water onto ...
Life began in the sea, and it took a long time to move onto land. Plants started creeping ashore about 475 million years ago.
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