Scientists have discovered all five essential nucleobases used in DNA and RNA in pristine samples from asteroid Ryugu, ...

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 ...

For nearly three decades, astronomers tracked a 1,250-foot-wide object relatively close to Earth that they thought was an asteroid. It looked like one. It followed the expected path. Telescopes saw no ...

Did comets seed life on Earth? It's unlikely, a new study from the University of Cambridge says. It would have been a very ...

Nov. 4, 2026 NASA is exploring a daring plan to save the legendary Hubble Space Telescope from its eventual fiery plunge into Earth's atmosphere. After more than 35 years of groundbreaking discoveries ...

When asteroids travel too close to white dwarfs, the dense remnants of stars that have exhausted their nuclear fuel, powerful ...

If a dangerous asteroid were headed toward Earth, one defense could be a nuclear detonation to blast one side with X-rays and ...

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 ...

Asteroids torn apart near white dwarfs may leave large fragments rather than immediate dust, revealing a missing stage in the ...

Add Yahoo as a preferred source to see more of our stories on Google. A near-Earth object once thought to be an asteroid turns out to be a dark comet, challenging scientists' notions about identifying ...

When asteroids travel too close to white dwarfs, the dense remnants of stars that have exhausted their nuclear fuel, powerful ...

A near-Earth object once thought to be an asteroid turns out to be a dark comet, challenging scientists' notions about identifying space rocks. Credit: NASA / JPL-Caltech illustration For nearly three ...