When you’ve just had identical twins, it’s normal to spend a lot of time looking down at their squishy little bodies and analyzing every subtle way they differ from one another. Unlike fraternal twins ...

Identical, or monozygotic, twins develop from the same fertilized egg that splits into two. These twins are the same sex and share the same genes. Sometimes called paternal twins, identical twins ...

Mono-mono twins are an incredibly rare type of identical twins who share both a placenta and an amniotic sac. While this makes for a high-risk pregnancy, advances in monitoring and treatment have ...

These folks are giving a new meaning to the term "twin flame." The couples first met at the Twins Day Festival in Ohio, and according to the sisters, they knew it was love within 15 minutes of ...

"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.

Jeopardy! fans did a double-take, thinking that one Canadian contestant had returned, but to their shock, it turned out to be ...