Officials investigating the disappearance of Nancy Guthrie have recovered DNA from a glove found near her house. If they don't get an exact match, they could turn to genealogy websites for clues.

DNA science has helped solve criminal cases for decades. But increasingly, investigative genetic genealogy — which was first used for cold cases — is helping to solve active cases as well.

The Age of AI will rely on massive volumes of data that can be easily stored and retrieved—and bioscience may have an ingenious solution. A scientist examines a DNA (deoxyribonucleic acid) profile on ...