Sure, adoption is real and sometimes sibling are separated. But running into long-lost family members at the mall is a stretch. For one woman and her sister though, it was their real life. More from ...

A set of identical twins decided to test it out when one of them went vegan and the other didn’t.

Stockphoto A Minnesota mother is accused of feeding her twin babies formula tainted with fentanyl, authorities said. The ...

Parenting twins to be close to one another and good friends who can resolve arguments is very difficult. You can do it with ...

What if your birthmark was actually a sign that you absorbed your twin in the womb? 😱 Scientists call this phenomenon ...