Fox News chief correspondent Jonathan Hunt reports on the search for Nancy Guthrie as criminal defense attorney Josh Ritter ...

The FBI said they may now turn to genetic genealogy to help solve the Nancy Guthrie case since there were no hits to the ...

The Pima County Sheriff's Department announced Tuesday that testing done on the gloves did not result in any hits to a massive DNA database of offenders.

Authorities haven't named a suspect or person of interest in Nancy Guthrie's disappearance as the search continued for a third week.

Here's what to know about the DNA evidence collected so far in the investigation into Savannah Guthrie's missing mother and what results are pending.

Additional DNA evidence found at Guthrie's residence still was being analyzed, sheriff's spokesperson Angelica Carrillo said ...

The disappearance of Nancy Guthrie, 84, the mother of the “Today” show anchor Savannah Guthrie, has gripped the nation, with unverified reports of ransom notes, chilling doorbell camera footage and ...

LONDON – Fallout from the Jeffrey Epstein files has landed on the gilded wood and plush red benches of Britain’s House of ...

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones.

TUCSON, Ariz. — The search for 84-year-old Nancy Guthrie, mother of "Today" show host Savannah Guthrie, has stretched into a third, anguished week, with mounting pressure on investigators and a family ...

We asked 12 scientists, artists, and thought leaders to share how AI enabled them to create, explore, or understand something ...

Nancy Guthrie, 84, was kidnapped on Sunday, Feb. 1.