I was one of the first to spit into a test tube, giving up my DNA forever to learn more about my health and heredity. You know, the ones that promise to connect you with distant relatives you didn’t ...

"At first, I kind of laughed … But they were serious. I could just see the seriousness in their faces." In this book excerpt, Lise Barnéoud explores the limitations of DNA testing.

“That was the moment we realized this was bigger than coincidence,” the rescue worker told Newsweek.

Understanding genetics has long been an integral part of medicine and human care, and today, the same precision and individual approach are beginning to be actively implemented in veterinary medicine.

An identical twin commits a crime and leaves their DNA at the scene. Can DNA testing reveal which twin is the culprit? This question reportedly came up in a case in France last month, in which the ...