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

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 ...

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

Explore digital PCR’s potential, how the technology has transformed life science research, the challenges it faces and what ...

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

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 ...

Results from Ryugu suggest the the Solar System produced the building blocks of life Scientists have found that all five of ...

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

All five canonical nucleobases, which form the basis of DNA and RNA that carry genetic information, were found in sand ...