Sarah and Aimee Charlwood from Brisbane, Australia, are identical twins. They didn't spend a day apart from when they were born until they were 16 years old. Eerie coincidences happen to them, but ...

When you’ve just had identical twins, it’s normal to spend a lot of time looking down at their squishy little bodies and analyzing every subtle way they differ from one another. Unlike fraternal twins ...

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 ...

For more than a century, scientists have debated whether intelligence is mostly a product of nature or nurture. Identical twins—those born with the same genetic blueprint—have long been the perfect ...

Actually taking care of your own concerns before those of others, whether they're your twin, husband, child, parent, or friend, is a complicated psychological problem for twins to deal with. And ...