This article originally appeared on health. In the middle of all the headline-grabbing political news, Beyoncé stole everyone’s attention by announcing she’s pregnant—with twins! The performer posted ...

Twins—smaller at birth, on average, than singletons—start out smaller in pregnancy than was previously known, according to a study by researchers at the National Institutes of Health (NIH). The ...

While many people think of twins as a rare "double blessing" decided purely by luck, science suggests that your biological clock might actually be stacking the deck. As more women choose to start ...