Savannah Guthrie’s husband Michael Feldman arrives in Tucson as the search for missing Nancy Guthrie enters its third week.

A man has been committed to stand trial over a 1983 rape of a grandmother, but has been cleared of her 1981 sexual assault.

With the search for Nancy Guthrie in its third week, law enforcement is analyzing DNA evidence and looking at her pacemaker ...

Charges have been filed against a local man accused of a weekend nightclub shooting that killed two women and injured two ...

The FBI shared details of a suspect as law enforcement confirms Nancy Guthrie's family are not responsible for her disappearance.

The Arizona sheriff investigating the kidnapping of Nancy Guthrie is detailing how authorities were able to rule out her ...

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, ...

Pima County says all relatives are victims, not suspects, as investigators enter week three with no named person of interest ...

Haoyu Cheng, Ph.D., assistant professor of biomedical informatics and data science at Yale School of Medicine, has developed a new algorithm capable of building complete human genomes using standard ...

To store heat for days, weeks, or months, you need to trap the energy in the bonds of a molecule that can later release heat on demand. The approach to this particular chemistry problem is called ...

Nancy Guthrie was taken from her home in Tucson, Arizona, more than two weeks ago and remains missing. Authorities have yet to publicly name any suspects or persons of interest.

Researchers have uncovered the enzyme behind chromothripsis, a chaotic chromosome-shattering event seen in about one in four cancers. The enzyme, N4BP2, breaks apart DNA trapped in tiny cellular ...