Chang and Eng Bunker were famous conjoined twins who married sisters. Christina Baker Kline imagines what their lives were like in her novel, "The Foursome." She talks with NPR's.

A pair of conjoined twins, who share a vagina, have candidly discussed their "uncomfortable" sex lives while answering questions on Reddit. The 19-year-old sisters, identified only as Mia and Lia for ...

“Seeing them each in their own beds was an indescribable feeling,” Amari and Javar Ruffin's mom said in a statement A pair of formerly conjoined twins got to go home shortly after celebrating their ...

Conjoined twins are one of the rarest and most medically remarkable phenomena in human biology. Born physically connected to one another, they challenge our understanding of individuality, identity, ...