For the best experience, please enable JavaScript in your browser settings. Following the Kakamega twin puzzle that has drawn the attention of the entire country, we ...

The egg is thought to have been fertilised simultaneously by two sperm before it divided Doctors have documented what they say is only the world's second known case of "semi-identical" twins. The boy ...

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 ...