Investigators searching for clues in the Arizona kidnapping of Nancy Guthrie are turning to genetic genealogy, a forensic technology that has already helped to crack several notorious cold cases in ...

DNA is the blueprint of life. Genes encode proteins and serve as the body's basic components. However, building a functioning ...

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first ...

The Pima County Sheriff's Department, which is at the center of the investigation into Nancy Guthrie's disappearance, has its ...

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first used for cold cases — is helping to solve active cases as well.

Homeopathy rests on two main axioms: "like cures like," where a substance causing symptoms in healthy individuals treats similar symptoms in the sick, and potentization through serial dilution and ...

The family has been ruled out as suspects in her disappearance, and now the feds have deployed a so-called signal sniffer aimed at locating her pacemaker.

Officials investigating the disappearance of Nancy Guthrie have recovered DNA from a glove found near her house. If they don't get an exact match, they could turn to genealogy websites for clues.

A complete breakdown of the abbreviation, including its role and function within the body.

Live updates about the search for Nancy Guthrie, the mother of "TODAY" co-anchor Savannah Guthrie was authorities say was ...

Men’s sperm numbers and fertility also decline with age. If you’re planning to have kids in the future, here’s what you need to know.