The last two decades have seen a revolution in scientists' ability to reconstruct the past. This has been made possible through technological advances in the way DNA is extracted from ancient bones ...

Humans are closely related to chimpanzees and bonobos, but what are the key factors that make humans genetically different? A new study looks at the process of DNA methylation, in which chemical tags ...

Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening enough. An outlandish study asserts that aliens might have abducted us ...

Some of your most important life partners are the mitochondria that power all your cells. You and these little cellular powerhouses are in a 1.5-billion-year-old evolutionary relationship—but ...

Some 4,000 years ago, as ancient civilizations such as the Minoans in Crete and the Neo-Sumerian Empire in Mesopotamia were shaping cultures in Europe and the Middle East, human biology itself was ...