Riding rocket ships was once an all-boys’ game. Valentina Tereshkova changed that for the Russians and Sally Ride changed it for the U.S. With the passing of Ride, here’s a look at some of those who came before and followed.
It’s rapidly becoming the little planetoid that could, with more satellites than the inner four planets put together. But that doesn’t mean Pluto’s getting any more love.
What’s a good way to get women interested in careers in science and engineering? The opposite of this.
A new NASA video illustrates what happens to our sister planet when the sun gets stormy.
China’s latest launch of three astronauts puts the country on a firm space footing. That’s impressive—and not.
Extremely high-definition images from a NASA offers an exquisite look at an all-too-rare event
Are we alone in the Universe? According to TIME senior science editor, Jeffrey Kluger, recent discoveries suggest we’re not.
A time-lapse video from the International Space Station provides further proof that we live on what might be the coolest planet of all
A discovery that could have upended a century of physics research was caused by a loose cable. Phew.
This week’s TIME cover story — available to subscribers here — reveals that true friendship, marked by generosity, sacrifice and commitment, once thought to be the province of humans, exists among the lower species too.
Fans of the leap second, you can breathe easy. Your favorite little tick of the clock is safe — for now.
The titles, chosen by Montana fourth graders, are a whimsical addition to NASA’s often-serious monikers.