Most near-Earth asteroids are thought to drift in from the main asteroid belt. But a small subset may have a much closer origin: the moon. One intriguing example is 469219 Kamoʻoalewa (2016 HO3), an ...

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 ...

(via minutephysics) This video is about the interesting and often-misunderstood story of the asteroids, and how they lost their planet-hood status; more recently than you may think!

PHOENIX — A newly discovered asteroid spins about as fast as a Ferris wheel. With a rotation period of just 112 seconds, it’s the new record holder for fastest-spinning asteroid wider than 500 meters.

Not all asteroids are simple space rocks. Some spin too fast, others change course, and a few behave in ways scientists didn’t predict. This countdown looks at the most astonishing asteroids ever ...

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 ...

A new generation of rockets aims to unlock new business models in space, including the science fiction dream of extracting resources from asteroids. Researchers are taking a closer look at asteroids ...

If you were to ask a group of dedicated amateur astronomers to list their favorite telescopic targets, few if any would mention asteroids. That’s easy to understand. The typical asteroid lacks the jaw ...

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 ...

Around the nearby star Fomalhaut, asteroids are smashing into each other in a series of cosmic cataclysms, creating huge clouds of dust. For the first time, astronomers are watching one of these ...

Our Solar System contains tens of thousands of potentially dangerous asteroids that could wipe out an entire city, or worse. In Washington, a NASA office is leading efforts to spot and neutralize ...