The couple couldn't wait to become a family of four, but during a checkup much later in the pregnancy, doctors found a third ...

The digital twin, on the other hand, gave him an unobstructed, 360-degree view of every gnarled nook and cranny. (What we’ve learned—and lost—since the Titanic wreck was found.) The scan of ...

A teacher and her husband thought they were expecting twins, but when the babies were born, they found themselves welcoming triplets.

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