Observation of the night sky, before the advent of satellites, was assumed to be free of the artificial bright points that ...
California scientists spotted the brightest flare ever recorded, shining with the light of 10 trillion suns, from a ...
The enormous outburst was likely caused by an unfortunate star venturing too close to a supermassive black hole ...
The flare came from a supermassive black hole that’s 10 billion light years away, making the flash the most distant one observed so far. It hails from a time when the universe was rather young. A ...