Explore the history of life on Earth, from 3.5-billion-year-old fossils to the vast diversity of species on our planet today.

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

For billions of years after the origin of life, the only living things on Earth were tiny, primitive cells resembling today’s bacteria. But then, more than 1.5 billion years ago, something remarkable ...

A newly analyzed fossil site in Yunnan, China, has revealed over 700 specimens dating back 554 million years, showing complex bilateral animals coexisted with Ediacaran life before the Cambrian ...