Space around the Sun contains far more than planets. Scattered through it are smaller bodies made of rock, metal, ice and dust. These objects move on their own paths, sometimes quietly beyond Jupiter, ...

NPR's Ailsa Chang speaks to astronomer Sarah Greenstreet about her team's new discovery of the fastest-spinning large asteroid known to man. Forget world records because astronomers recently announced ...

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in space? And, either way, what does this mean for other water worlds in our ...

Scientists are digging into the hidden makeup of carbon-rich asteroids to see whether they could one day fuel space exploration—or even be mined for valuable resources. By analyzing rare meteorites ...

Across Earth, every night, thousands of automated stargazers are waiting to take pictures of shooting stars. I am one of the scientists who study these meteors. Most movies and news alerts focus on ...

This offers us a glimpse of the discovery surge scientists expect to occur once full operations begin.