What makes twins fraternal? Find out how much these siblings share from conception on, and how similar or different they ...

While Jax Salyers and Jett Salyers are cousins, they also share in a rare biological phenomenon: because each of their twin ...

These babies are identical twins, but their mom has no trouble telling them apart. “People say, ‘The doctors lied to you. Your twins aren’t identical,’” Danielle Marple of Venice ...

A pair of identical twins who were separated aged two and raised in the US and Korea have a ‘striking’ IQ difference.

"Briana and I, we each went through miscarriages," Brittany Salyers said. "And so the pressure when it's this situation of identical twins married to identical twins [...] the intrigue and fun of it ...

"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 same page of life." "It's a big relief when they got ...

After identical twin sisters from Delaware married ... That first encounter took place at the Twinsburg, Ohio, Twins Day Festival, which claims to be the largest annual gathering of twins and ...