Someone spitting into a tube to gain insight into their ancestry — and occasionally their health — is giving away highly ...

Authorities said they're looking into using genetic genealogy in the investigation into Nancy Guthrie's mysterious abduction, and an expert says the cutting-edge technique could be the key. While ...

I was one of the first to spit into a test tube, giving up my DNA forever to learn more about my health and heredity. You know, the ones that promise to connect you with distant relatives you didn’t ...