Add Yahoo as a preferred source to see more of our stories on Google. Two planets crashed into one another in a violent, chaotic collision that astronomers recently witnessed 11,000 light-years away ...

A giant impact is a collision between large planetary bodies during the late stages of formation. These events shape ...

The same kind of catastrophic smashup that scientists believe created Earth’s Moon may be unfolding around a distant star, and astronomers have a front-row seat. For at least four years, a star system ...

Researchers have observed the fallout from a planetary collision 11,000 light years from Earth. When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...

A researcher discovered the rare cosmic event by noticing strange dips in a star's brightness in old telescope data. The collision created a hot cloud of rocks and dust, which researchers detected ...