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 ...

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.

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 ...

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 ...

Sci-fi and horror make perfect partners, as some of the best movies ever tap into the strengths of both genres.

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 ...

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

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

Even with showrunner Chris Sheridan suggesting he knew the writing was on the wall for the show's cancellation, Season 4 of Syfy's Resident Alien should never have marked the end of a show of such ...