Sarah and Aimee Charlwood are identical twins. They didn't spend a day apart until they were 16. They share the same ...

Chatting exclusively with PEOPLE for the launch of their new collaboration with slipper brand Dearfoams, the two internet ...

For more than a century, scientists have debated whether intelligence is mostly a product of nature or nurture. Identical ...

A set of identical twins are thriving after life-saving surgery was performed on them while they were still in the womb.

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 ...

RALEIGH, N.C. (WNCN) — Identical twins share a bond like no other, and for Gloria Lipman and Bernice Frank, that bond goes back a century. This weekend, the twins celebrated their birthday and shared ...

Twin sisters Verla Starkey, left, and Merla Swenson look at a book of their family history at their home in Kaysville on Wednesday. | Laura Seitz, Deseret News Verla Starkey and Merla Swenson like to ...

30-year-old Identical twins Lucy and Anna DeCinque share a boyfriend and they want to fall pregnant at the same time. Meet identical twins who share a boyfriend 30-year-old Identical twins Lucy and ...

A mom of two boys from Perth, Australia, who tried for a girl wasn't prepared for the unexpected twist in her family plans.

Perth identical twins Edward and Ethan Chen live vastly different lives due to a tragic, devastating pregnancy complication.

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 ...