Wilma Cagle and Welthy Senn, identical twins who turned 100 in November, begin each day together in the same house in Greenville, South Carolina. They dress alike, eat every meal with undiminished ...

One would imagine that while living with someone who looks like you, likes the things you like and is a replica of your personality, if and when life offers you an opportunity to get a different face, ...

"It’s a stress reliever just to be with each other." Samantha and Rebecca Silverman are working together for the first time on the job on what will likely be the hardest assignment of their careers.

The idea of identical twins is fascinating to so many people. As BBC Culture pointed out, the existence of two people who look alike in every way brings up questions about the nature of self and what ...