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 ...

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 ...

Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are the same sex and share the same genes. Sometimes called paternal twins, identical twins ...