Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures that ...

Until now, there was a conflict in the field of paleontology. Genetic analysis of how fast traits mutated and evolved ...

Evolution is perhaps the most extraordinary story ever told—a tale spanning billions of years that connects every living thing on Earth through an intricate web of shared ancestry. From the tiniest ...

The Indigenous peoples of the Bolivian highlands are survivors. For thousands of years they have lived at altitudes of more than two miles, where oxygen is about 35 percent lower than at sea level.

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In most narratives, the story of evolution is the story of organisms emerging from the ocean and eventually populating the land. But for some species that evolution also involved a return trip. Dozens ...

As the centennial of the Scopes Monkey Trial of 1925 approaches, a new study illustrates that the attitudes of Americans in Generation X toward evolution shifted as they aged. As the centennial of the ...

The built and natural worlds around us are full of examples of diversity from small, incremental evolutionary changes. Keyboard designs offer slightly different key spacing and press stiffness; two ...