It is generally accepted that postcopulatory sexual selection drives rapid divergence of genital morphology among isolated populations. The mode of selection operating upon genitalia can be explored ...

A diverse group of lizards known as the social skinks is helping scientists answer questions about some of the fundamental workings of evolution. Skinks are a large group of lizards that typically ...

Over the past century and half since the process of natural selection was first described, one enduring question has captivated many, "how predictable is evolution?" Because natural selection ...