The largely discredited theory states that Ashkenazi Jews are genetically descended from a Turkic minority that converted to ...

A study published in the journal Science reveals how jumping fragments of human DNA, a type of genetic parasite, destabilize the cancer genome. Unstable genomes are a fertile playground for cancer ...

The Khazar theory has a long history but was largely discredited with the advent of DNA analysis. Yet it has grown in ...

From chilling surveillance footage and alleged ransom notes to DNA and a collection of gloves, here’s a look at what we know ...

Mystery surrounds the disappearance of Nancy Guthrie, the 84-year-old mother of NBC News anchor Savannah Guthrie, who has ...

Investigators are continuing their search for new clues that could lead to a breakthrough in the disappearance of Nancy Guthrie.

The 84-year-old mother of “TODAY” show co-anchor Savannah Guthrie has been missing for three weeks. Authorities haven't publicly identified a suspect or a person of interest.

Nancy Guthrie was last seen after 9 p.m. on January 31, and was reported missing on February 1. Since then, authorities have ...

Nancy Guthrie, the 84-year-old mother of "Today" show co-host Savannah Guthrie, was reported missing from her Pima County ...

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 ...