Identical twins are pretty fascinating – and if you have a set, you're probably used to people stopping you to comment or ask questions. They're rare, special, and even a bit confusing. In the ...

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 ...

Many parents would love to conceive twins. Isn’t it just adorable to have two little people who look exactly the same? There are two types of twins, identical and fraternal twins. Identical twins ...

After believing that her daughters were fraternal twins for so long, a mom was stunned when a genetic test revealed otherwise. Not long after Tamara Vanderent, 30, discovered that she was expecting ...

As Ashley Ness took her kids to enroll in preschool, she couldn't help but think that their sister Chesley "should be here with them" Ashley Ness Ashley Ness' babies entered the world as quadruplets – ...

From Romulus and Remus—the myth of the twin brothers who founded the city of Rome—to the synchronized speech of Australia's "Twinnies" Paula and Brigette Powers, identical siblings have long inspired ...