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 ...

Astronomers have flagged a tantalizing candidate for a frozen twin of Earth, a world known as HD 137010 b that appears to circle a Sun-like star about 146 light-years away. The planet seems to be ...

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 ...