Some people seem naturally funny, always ready with a clever joke or a witty comment. Others struggle to land a punchline.

A new study from the University of Aberystwyth suggests the ability to be funny isn't down to your genes - it is not a family ...

Despite sharing DNA sequences, monozygotic twins are epigenetically distinct and express different genes, offering a model to ...

Miro Remo’s stunning portrait of identical twins, “ Better Go Mad in the Wild ,” took top honors at this year’s Karlovy Vary ...

Conjoined twins – identical twins that are joined together. They are extremely rare, and it’s estimated they range from one in 49,000 to 189,000 births, although around half are stillborn, and ...

Conjoined twins – identical twins that are joined together. They are extremely rare, and it’s estimated they range from one in 49,000 to 189,000 births, although around half are stillborn, and ...

"They are technically known as quaternary twins," Briana Salyers said. "So they, because they are genetic brothers and they were born less than 9 or 10 months [of] each other.