From Romulus and Remus—the myth of the twin brothers who founded the city of Rome—to the synchronized speech of Australia's "Twinnies" Paula and Brigette Powers, identical siblings have long inspired ...

After believing that her daughters were fraternal twins for so long, a mom was stunned when a genetic test revealed otherwise. Not long after Tamara Vanderent, 30, discovered that she was expecting ...

There’s a common assumption that intelligence is largely determined by genetics. After all, previously published studies ...

In 2004, Michigan police found that DNA recovered from a crime scene matched that of Jerome Cooper, a notorious criminal. But what seemed like an open-and-shut case got complicated when the cops found ...

The Marion County Sheriff's Office says it's mistakenly released Darrell Austin (left) instead of his identical twin, Daron Austin (right), due to a mix-up caused by the twins' nearly ...