For a group that makes up just 0.4 percent of the world’s population, identical twins have enthralled moviegoers.

Identical twin sisters Brittany and Briana Deane married twin brothers Josh and Jeremy Salyers before each welcoming son's ...

Brittany gave birth to Josh's son, Jett ... Britanny added: "And so the pressure when it's this situation of identical twins married to identical twins...the intrigue and fun of it is staying on the ...

An allergic reaction happens when your immune system overreacts to something that should be harmless. Whether that happens ...

A pair of critically endangered cotton-top tamarins are born at a zoo in Hampshire.

Akie Iwai of Japan plays her shot from the 13th fairway during the third round of the JM Eagle LA Championship.

Affectionate mothering in childhood may have a lasting impact on important personality traits, potentially influencing life ...

The species often gives birth to non-identical twins, in common with some other tropical primates. Newborns can be only about 10cm (4in) long from the top of the head to the tip of the tail.

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 one third die within 24 hours. Can identical twins be two ...

The species often gives birth to non-identical twins, in common with some other tropical primates. The twins will be named after characters from The Addams Family Newborns can be only about 10cm ...

Identical twins share all of their genes while non-identical ... The researchers sorted the twins into three cohorts based on their birth years: oldest (1925-1960), middle (1961-1980), and ...