Add Yahoo as a preferred source to see more of our stories on Google. artist's impression of colliding asteroids For only the second time ever, a collision between two asteroids has been observed ...

Just 25 light-years from Earth, astronomers have watched a planetary system tear itself apart in real time, catching the dusty aftermath of violent impacts that were once only theoretical. Instead of ...

Two enormous space rocks have slammed together in a nearby planetary system, and for the first time astronomers have watched the dusty aftermath unfold almost in real time. The violent impact, ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...

The way an asteroid spins -- either smoothly on its axis or in a chaotic tumble -- depends on how many times it has been hit by other objects in space. At the EPSC-DPS2025 Joint Meeting in Helsinki, ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists' minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...