A new analysis of studies spanning the last century finds that differences in schooling appear to explain a large portion of ...

Born as fraternal twins, my sons may actually be identical. At 23, they don't want to know — and I've learned to accept the ...

New research suggests that education can raise IQ by up to 15 points—even among identical twins—challenging determinism and revealing intelligence to be more malleable than we once believed.

A set of rare conjoined twins was successfully separated this past February after an 18-hour surgery that required a team of over 30 healthcare providers.

The Parent Trap proves that even after years apart, love has a funny way of finding its way home — sometimes with a little ...

A century-old Mt. Everest mystery is being put to the test as identical twins climb the Himalayas – one in 1920s gear and the ...

The twins are small, neat and almost identical, with a habit of finishing each other’s sentences. Confusing one for the other ...