DAVENPORT, Iowa — The blood of a Scott County woman was found on her boyfriend's clothes and his hands, a DNA analyst ...

The discovery led to the creation of a blood test that could examine fetal DNA (T21) for Down syndrome and other genetic diseases, instead of using needles to extract amniotic fluid from expecting ...

University of Idaho student murder suspect Bryan Kohberger's defense is arguing that two blood samples from unidentified males at the crime scene could clear him.

The scientists found something interesting: marijuana use was linked to changes in a process called DNA methylation. This ...