Brightest ‘supernova’ ever found may actually be a black hole gobbling up a star

In 2015, a group of astronomers spotted one of the brightest and most powerful supernovae ever discovered — a star explosion so luminous that it was poised to reshape our understanding of stellar eruptions. But now, astronomers have taken a closer look at this “supernova” with the Hubble Space Telescope, and they say that it wasn’t an exploding star after all. Instead, they pose a much bleaker scenario: the bright event was the result of a supermassive black hole tearing