The black glove being analyzed, which contains DNA evidence, was one of about 16 recovered near Nancy Guthrie's house.

The Pima County Sheriff's Department announced Tuesday that testing done on the gloves did not result in any hits to a massive DNA database of offenders.

There is additional DNA evidence that was found at the residence, and that is also being analyzed,” the sheriff's department ...

When the pancreas stops producing insulin, glucose doesn't enter our cells. Instead, it accumulates in the bloodstream. In ...

Colossal Laboratories & Biosciences, which has produced a trio of modern-day dire wolves and the woolly mouse, seeks to bring back extinct species.

From ditching bottled mix to the right tequila and a surprising lime trick, here’s how to make a perfectly balanced margarita ...

Every living organism has its own genetic "blueprint": the source code for how it grows, functions and reproduces. This blueprint is known as a genome. When scientists sequence a genome, they identify ...

Nancy Guthrie was taken from her home in Tucson, Arizona, more than two weeks ago and remains missing. Authorities have yet ...

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.

Industrial yeasts are a powerhouse of protein production, used to manufacture vaccines, biopharmaceuticals, and other useful compounds. In a new study, MIT chemical engineers have harnessed artificial ...

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.