DNA is the blueprint of life. Genes encode proteins and serve as the body's basic components. However, building a functioning organism also requires precise instructions about when, where, and how much those components should be produced.

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 to a DNA database would have been a dead end.

"How is this guy a Pit Bull????” the dog owner said in a viral Threads post.

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 building blocks are held together by hydrogen bonds,

A man was convicted this month in the murder of a 13-year-old girl in 1982.

The man leading the investigation into Nancy Guthrie's apparent abduction is hopeful that DNA evidence discovered at the 84-year-old's Tucson, Ariz. , home could lead to an arrest.

Authorities are analyzing biological evidence in the search for Nancy Guthrie nearly three weeks after Savannah Guthrie's mom was last seen.