Astronomers witnessed planets colliding 11,000 light-years away, an event that could shed light on the collision that created ...

A seemingly regular, Sun-like star began acting really weird, flickering haphazardly as its light faded in and out. The cause of the star’s strange behavior may have been a cosmic catastrophe that’s ...

Sky This Week is brought to you in part by Celestron. Friday, March 13Look north this evening a couple hours after sunset and you'll easily spot the large shape of the Big Dipper as it sits ...

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 ...

All but two of Austria’s 96 glaciers have retreated over the last two years, monitors in the Alpine country reported Friday, ...