All life on Earth shares a common ancestor that lived roughly four billion years ago. This so-called "last universal common ...

Ancient duplicated genes are giving scientists their first real clues about what life was like before all life on Earth shared a common ancestor.

Whole-genome duplications are rare evolutionary events in which all the chromosomes and genes of a species are doubled. This supplies new genetic material to the gene pool and can provide an ...

For millennia, evolution has intrigued many great thinkers, prompting questions about how new traits emerge as species adapt over time. Then, attention shifted to natural selection and the inheritance ...

A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...