Add Yahoo as a preferred source to see more of our stories on Google. When four teenage girls were murdered in an Austin, Texas, yogurt shop in 1991, a heartbroken city was left searching for answers.

Add Yahoo as a preferred source to see more of our stories on Google. Investigators in the Nancy Guthrie case in Arizona have turned to an investigative technique called genetic genealogy as they try ...

For years, the federal government has been amassing DNA profiles of noncitizens. But recently released Customs and Border Protection (CBP) data reveal that officials knowingly collected the DNA of ...

DNA. It's what makes you unique. Unless you have an identical twin, your DNA is different from that of every other person in the world. And that's what makes DNA fingerprinting possible. Experts can ...

n the mid-1980s, tragedy struck two villages in Leicestershire, England. In two separate instances, three years apart, two teenage girls were raped and murdered on their way home from school. On ...

Cancer genomes are the result of diverse mutation processes that have often accumulated over decades. Scientists have analyzed the molecular evolution of tumors after exposure to mutagenic chemicals.

Investigators are analyzing DNA evidence from the home of missing 84-year-old Nancy Guthrie. Previous DNA testing on gloves found two miles away did not produce a match in the FBI's national database.

Paul Quinn denies rape. Prosecutors say another man, Andrew Malkinson, was previously wrongly convicted in the case.

Investigators in the Nancy Guthrie case in Arizona have turned to an investigative technique called genetic genealogy as they try to make the most of DNA evidence that's been collected during the ...