Astronomers tracked a star that slowly faded instead of exploding. The quiet disappearance may reveal a hidden way black holes are born.

Merger of two neutron stars in the aftermath of a supernova may have been observed for the first time, though questions ...

Betelgeuse, one of the brightest and biggest stars in our night sky, has been acting strangely for years — suddenly dimming, then brightening again every six years. Now, astronomers believe they’ve ...

It was one of the most feverishly-anticipated, instantly-controversial halftime shows in history. You didn’t need to know ...