Chang and Eng Bunker were conjoined twins who became a sideshow sensation in the 19th century. Billed as the "Siamese Twins," they were two of the most studied human beings in the United States at the ...

The tandem-speaking identical twins who’ve taken the internet by storm made their late-night debut on 'Jimmy Kimmel Live!' ...

Identical twin sisters Bridgette and Paula Powers spoke in sync and mimicked each other's gestures during an interview about ...