When we think of identical twins, we often imagine mirror images — same face, same smile and perhaps even the same talents. But what surprises many is that these genetic carbon copies can have ...

I was known for being an identical twin, and that shaped my identity. We lived in a small town in Iowa, and no one could tell us apart. My husband's best friend is a triplet, so he understood that my ...

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 ...