When identical twins Chaysen and Graylen were in their mother Jessica Proudfoot’s womb, doctors discovered the beginning of ...

You’re not just seeing double—you’re hearing it, too. After identical twin sisters Bridgette Powers and Paula Powers witnessed a carjack on Steve Irwin Way in Queensland, Australia, they were ...

When we think of identical twins, we often imagine mirror images — same face, same smile and perhaps even the same talents. But what surprises many is that these genetic carbon copies can have ...

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.

After believing that her daughters were fraternal twins for so long, a mom was stunned when a genetic test revealed otherwise. Not long after Tamara Vanderent, 30, discovered that she was expecting ...

Are we destined to be smart? Twin studies reveal strong genetic roots for IQ, yet up to a third of intelligence is shaped by environment, context, and choice.