The teenage years provoke dramatic changes in identity and in the bond twins share. The twin relationship in the senior years ...

A set of identical twins are thriving after life-saving surgery was performed on them while they were still in the womb.

Diane Keaton may have been known as a "tiger lady" in Baby Boom, but she warmed the hearts of her two little costars. Twins ...

The twins who played Ross and Rachel's daughter Emma on one season of Friends are now all grown up, and reminiscing about their stint on the show In an exclusive interview with PEOPLE, Athena and ...

Conjoined twins Abby and Brittany Hensel were spotted in Minnesota holding a baby in a car seat on Aug. 27 The outing came after the sisters were first spotted with a newborn baby on Aug. 14 Neither ...