Pima County Sheriff Chris Nanos said that authorities are working on "thousands (of hours) of video footage we still have to ...

The Texas Rangers are investigating an officer-involved shooting in Montague County.

Nancy Guthrie disappearance case investigation latest big breakthrough update shows Uber ride review, DNA analysis, and ...

A Ghanaian scientist is making significant strides in the global fight against cancer, developing cutting-edge fluorescent ...

Nancy Guthrie's disappearance is "not even close" to cold as sheriff reveals key DNA evidence that could help the case.

The investigation into the apparent abduction of 84-year-old Nancy Guthrie is "not even close" to a cold case, Pima County ...

Nancy Guthrie disappearance case latest big update shows the investigation entering a deeper stage in Tucson as FBI agents ...

Nancy Guthrie disappearance case probe big update explains Day 51 search status, FBI findings, DNA results, ransom emails, ...

Most DNA extraction protocols were originally developed for manual pipetting and later adapted for liquid handlers. In ...

Remember when Japan sent a spacecraft to an asteroid 180 million miles away to scoop some dirt off the surface? Six years on ...

Researchers in Japan say they have identified all five nucleobases that make up DNA and RNA in samples brought back from the ...

More than six weeks after 84-year-old Nancy Guthrie vanished from her home in an affluent Tucson suburb, the investigation ...