Authorities are announcing that DNA found in Nancy Guthrie's home will be analyzed using genetic genealogy. It comes as investigators are canvassing gun stores in Tucson, in hopes of identifying the ...

Add Yahoo as a preferred source to see more of our stories on Google. TUCSON, Ariz. — Investigators looking to track down Nancy Guthrie’s suspected kidnappers are turning to a relatively new ...

An Ice Age double burial in Italy has yielded a stunning genetic revelation. DNA from a mother and daughter who lived over 12,000 years ago shows that the younger had a rare inherited growth disorder, ...

Investigators in Arizona are hoping that DNA found in and around Nancy Guthrie's house in Tucson could lead them to a suspect — and the missing woman. Guthrie, the 84-year-old mother of Today show ...