After identical twin sisters from Delaware married identical twin brothers from Tennessee, the children they are raising together share in a rare biological phenomenon. When identical twin sisters ...

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 ...

Mariah Carey and Nick Cannon welcomed twins Moroccan and Monroe in 2011. Here's everything to know about Mariah Carey and ...

Twins may often make you imagine two babies with the exact physical features, such as eyes, smile, and even voice. However, this is not the case with every twin, as some look totally different from ...

TWO identical twins who have saved countless lives over the last 13 years are “incredibly honoured” as they have both been ...

Insider caught up with Anna and Lucy DeCinque, from TLC's "Extreme Sisters." This season, they consider motherhood with their shared fiancé.

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 ...

HEMPSTEAD, N.Y. — A high school in the suburbs of New York City will be seeing double on graduation day this weekend: Among the nearly 500 students in its graduating class, 30 are twins. It’s a ...

Identical twin sisters had sons on the same day just hours apart and say their “biological clocks are ticking in time”. Laura ...

Brothers Ray and Ron Lalonde grew up competing over trivia. Now, they’ve both won multiple games on the iconic quiz show.

West Virginia University provides funding as a member of The Conversation US. Allergies, whether spring sneezes due to pollen or trouble breathing triggered by a certain food, are caused by a ...