supernova

Three decades ago, astronomers spotted one of the brightest exploding stars in more than 400 years. The titanic supernova, called Supernova 1987A (SN 1987A), blazed with the power of 100 million suns for several months following its discovery on Feb. 23, 1987. […]

Images of supernova remnant W49B detected by the Chandra X-ray observatory may contain the most recent black hole in the Milky Way. […]