NPR's Ailsa Chang speaks to astronomer Sarah Greenstreet about her team's new discovery of the fastest-spinning large asteroid known to man.

When asteroid 2024 YR4 first revealed itself to humans on 27 December 2024, it seemed to have just shown up out of nowhere. An entire asteroid doesn't just materialize out of nothing, though, and now ...

A powerful new telescope spots an unusually large asteroid spinning faster than thought possible, challenging long held ideas ...

Add Yahoo as a preferred source to see more of our stories on Google. This illustration shows the creation of an asteroid family. Ejected fragments from catastrophic collisions of asteroids between ...

When we think about asteroids that could threaten Earth, we often imagine massive, city-sized rocks hurtling through space. But what if the real danger comes from much smaller, barely detectable ones?

Scientists warn that certain asteroids could become more dangerous upon entering Earth, potentially complicating asteroid ...

Add Yahoo as a preferred source to see more of our stories on Google. The OSIRIS-REx spacecraft spent two years observing the asteroid Bennu before it collected a ...

Chile's Vera Rubin Observatory, boasting the world's largest digital camera, has discovered a mountain-sized asteroid, 2025 ...

A computer visualization maps small bodies in the solar system that are expected to be observed by the Rubin Observatory during the 10-year Legacy Survey of Space and Time. Red indicates near-Earth ...

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been remains a mystery. When you purchase through links on our site, we may earn ...

To keep solar power stations from getting lazy, Sandia National Laboratories scientist John Sandusky is looking to give heliostat mirrors a side hustle. At the National Solar Thermal Test Facility ...

Asteroid Ryugu is a rubble pile of material from the formation of our Solar System. A new study of material returned by the Japanese Hayabusa-2 space probe shows that Ryugu, and likely objects like it ...