Why do giraffes have long necks? Answers to 25 animal evolution questions | Evolution is driven by interactions between genetics and nature, and the Earth’s rock layers preserve a record of this ...

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Brown rats in New York City may be evolving smaller rows of teeth. Tiny fish across the Eastern US have adapted to thrive in polluted urban waters. Around the globe, living things are evolving ...

An extinct species called Homo naledi buried their dead 100,000 years before humans. These actions were previously thought to be associated with larger-brained species. The findings challenge previous ...

About a billion years after the Earth formed, the first signs of life emerged. These were just single-celled microbes, but through billions of years of evolution, scientists think that one of these ...