CeCe Moore said police could use investigative genetic genealogy to track down the suspect responsible for Guthrie's ...

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

Nancy Guthrie was last seen at her Tucson home on Jan. 31 and was reported missing the following day. Authorities say her blood was found on the front porch. Purported ransom notes were sent to news ...

Government offices, the stock market and schools are closed Monday in observance of Presidents Day, but most big retailers ...

Two naturally mummified individuals buried roughly 7,000 years ago in a Libyan rock shelter have yielded ancient genomes that reveal a previously unknown, long-isolated North African lineage. The ...

More than 4,000 calls came into an Arizona sheriff's department within 24 hours after the release of videos of a masked ...

Claudia Guevara was reported missing on Feb. 6, 1996.

President Trump had lashed out at former President Barack Obama earlier Thursday for telling a podcaster that aliens were ...

Here's what we know about the South Florida DNA lab chosen over Quantico to analyze evidence in the Nancy Guthrie abduction.

President Donald Trump says he’s directing the Pentagon and other government agencies to identify and release files related ...

The glove, discovered in a field beside a road, was sent for DNA testing. The FBI said in a statement that it received ...

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.