American women are having so few babies these days that the fertility rate has hit a historic low, according to stunning new provisional data from the Centers for Disease Control and Prevention. The n ...

The human body has evolved, for hundreds of thousands of years, to thrive on the surface of the Earth. But what happens when you take such an earthbound body and put it in the weightlessness of space? ...

Today, the Centers for Disease Control and Prevention recommends that every woman of reproductive age get at least 400 milligrams of folic acid, a B vitamin, every day. The CDC can make this recommend ...

A few years ago, a team of researchers in Europe wanted to figure out the answer to a simple question: How long would it take for evolution to replace all the mammal species that have gone extinct in ...

Halley’s comet won’t return to the skies until the 2060s. But this weekend, you can catch a glimpse of it in the Eta Aquarid meteor shower. Earth is currently passing through a patch of debris created ...

The Mueller report, Avengers: Endgame, the final season of Game of Thrones: These topics are saturating the media right now. But they’ll soon fade from our attention. Sune Lehmann is a professor of ap ...