Raising twins is tough, and it gets harder when they have an identical health battle. That's the reality for a southern ...

Michael and Hannah Carmack welcomed the "incredibly rare" set of quadruplets at the UAB Women and Infants Center in Birmingham on March 14, according to Today. The pair of identical twins ...

Though rare, twins can be born with different skin ... These twins, called biracial twins, are a great example of how unique ...