It's one thing to have blood, semen or saliva and a potential suspect identified against whom to compare it. A DNA test would ...

For decades, biologists have known that the instructions for life are written in DNA, yet the vast majority of those letters seemed to sit in the dark, doing little that was obvious. Now a new ...

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 in a DNA database would have been a dead end.

Add Yahoo as a preferred source to see more of our stories on Google. Image: West Midlands Police - Wikimedia Commons When investigators uploaded a DNA profile from a glove found near Nancy Guthrie's ...

Not all parts of our genetic code are equal, even when they appear to say the same thing. Scientists have discovered that cells can detect less efficient genetic instructions and selectively silence ...