DNA tests can tell people where in the world their ancestors came from, and if they're at risk of developing different genetic conditions. They can sometimes even help people connect with family ...

An identical twin commits a crime and leaves their DNA at the scene. Can DNA testing reveal which twin is the culprit? This question reportedly came up in a case in France last month, in which the ...

The Tennessee Bureau of Investigation is using rapid DNA testing technology to help speed up investigations, and News 2 got a look at how it works.

In a way, sequencing DNA is very simple: There's a molecule, you look at it, and you write down what you find. You'd think it would be easy—and, for any one letter in the sequence, it is. The problem ...

A DNA test could help match patients with psychiatric medications, potentially reducing the long and frustrating ...