Ancient DNA is turning human prehistory into something startlingly intimate. Instead of a clean handoff from one species to another, the last 50,000 years look more like a long, tangled story of ...

(CNN) — The human genome is made up of 23 pairs of chromosomes, the biological blueprints that make humans … well, human. But it turns out that some of our DNA — about 8% — are the remnants of ancient ...

The findings represent the oldest complete set of genetic information from this bacterial group and shed light on its ...

Thousands of years ago, groups of ancient people made the dangerous journey across the icy land bridge of the Bering Strait into the Americas. They carried tools, traditions, and survival skills with ...

Two small changes in human DNA may have played a big role in helping our ancestors walk upright, researchers say. The study, recently published in the journal Nature, found that these tweaks changed ...