PORTLAND, Ore. (AP) — Valerie Nagle spent decades wondering what happened to her older sister who was last seen in Oregon in 1974. She searched online databases of unidentified persons cases looking ...

What scientists once dismissed as junk DNA may actually be some of the most powerful code in our genome. A new international study reveals that ancient viral DNA buried in our genes plays an active ...

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 viruses ...

One of the world's biggest genetic databases comprises DNA data donated over the years by more than a million retired military service members. It's part of a project run by the Department of Veterans ...

A clump of proteins seems to be in charge of the level of DNA repair that takes place in our bodies, determining how fast mutations accumulate in our cells over a lifetime – and might thus affect our ...