Smaller bodies of rock, metal, ice, and dust can be found scattered throughout space. These objects travel on their own courses, sometimes silently beyond Jupiter and occasionally quite close to Earth ...

Comet 3I/ATLAS, the third known interstellar object passing through our solar system, is sparking global interest due to its potential to advance our understanding of space monitoring. Although the ...

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 ...

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 ...

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 ...