When most people think about natural selection, they imagine individuals competing with one another: The fastest animal ...

New research challenges the one-level view of evolution, showing natural selection works on individuals and groups together.

The common view of natural selection is based solely on the individual: A trait allows an organism to out-compete its rivals and is thus passed down to its offspring. To suggest otherwise can provoke ...

A surprising study on the behavior of unrelated lizards in very different parts of the world has demonstrated how evolution can lead to different species learning the same skills. The study documents ...