Although DNA evidence collected in the Nancy Guthrie investigation has yet to yield matches, law enforcement is still bracing for results that could expose cracks in the southern Arizona case ...

Only a few years ago, Tuesday’s announcement that a glove believed to be connected to the disappearance of Nancy Guthrie in Tucson, Arizona, had no match in a DNA database would have been a dead end.

Alex Sundby is a senior editor at CBSNews.com. In addition to editing content, Alex also covers breaking news, writing about crime and severe weather as well as everything from multistate lottery ...

Researchers from Tokyo Metropolitan University have created a new molecule which carries DNA into biological cells, to treat or vaccinate against illnesses. Many existing options rely on molecules ...

For the first time, researchers have succeeded in developing an artificial DNA base pair that is based on a different chemical force than natural genetic material. While the common natural DNA ...

TUCSON, Ariz. — A Q-tip, a tissue and a pizza crust. To investigators, this seemingly innocuous trash was DNA-laden treasure, helping crack the cases of the University of Idaho murders, the Golden ...

From ancient nomads to modern job-hoppers, the urge to move may be written partly into our DNA. People’s tendency to set down roots far from where they were born is partly inherited and grounded in ...

DNA repair is essential for the maintenance of genomic stability and its failure can lead to human disease. Various DNA repair systems exist, such as base excision repair, nucleotide excision repair, ...

Investigators in Arizona are hoping that DNA found in and around Nancy Guthrie's house in Tucson could lead them to a suspect — and the missing woman. Guthrie, the 84-year-old mother of Today show ...

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. The ...

An analysis of bones from ancient people who once lived in Colombia has discovered DNA that does not directly connect them to any other ancient or modern population in South America. It is thought ...