For the first time, scientists have proven tanning beds are more dangerous than the sun and cause widespread DNA damage.

Surviving fragments of genetic material preserved in sediments allow metagenomics researchers to see the full diversity of past life — even microbes. Somewhere in a remote cave in western Georgia, a ...

If highly repetitive gene-regulating sequences in DNA are easily lost, then that may explain why some adaptations evolve quickly and repeatedly. Evolutionary biologists have puzzled over why nature, ...

The magazine’s Ethicist columnist on familial duty, genetic ancestry testing and privacy. By Kwame Anthony Appiah I was recently at a family gathering and, in the course of the conversation, casually ...