DNA is only one among millions of possible genetic molecules

Biology encodes information in DNA and RNA, which are complex molecules finely tuned to their functions. But are they the only way to store hereditary molecular information? Some scientists believe life as we know it could ...

Oldest case of a rare genetic condition discovered

A group of international researchers has uncovered evidence of a super rare genetic condition that gives men an extra X chromosome, reporting the oldest clinical case of Klinefelter syndrome to date.

Their stories were lost to slavery. Now DNA is writing them

In the 1700s, a boy was born into slavery in Colonial America. He spent his life working in the coastal city of Charleston, South Carolina. And when he died in middle age, he was buried alongside 35 other slaves.

Humans spread out of Africa later

Modern humans spread out of Africa 20,000 years later than previously thought, according to new genetic research just published.

Genes show one big European family

From Ireland to the Balkans, Europeans are basically one big family, closely related to one another for the past thousand years, according to a new study of the DNA of people from across the continent.

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