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

All life on Earth depends on DNA—but that doesn’t mean life everywhere must follow the same blueprint. Scientists have shown that alternative genetic molecules, including RNA-based life, synthetic ...

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 ...

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

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

A groundbreaking project is piecing together Leonardo da Vinci’s genetic profile by tracing his lineage across 21 generations and comparing DNA from living descendants with remains in a Da Vinci ...

NEW YORK (PIX11) — The word from the Pima County sheriff is “we’re getting closer to a break,” but after thousands of leads, ...

NEW JERSEY (PIX11) — The NJ Transit president is bracing for a hectic day as he encourages riders to explore other options, ...