astronomers detected rapid X-ray flashes originating from the black hole in which the brightness repeatedly rose and fell every few minutes. Astronomers theorize that a low-mass white dwarf ...

The Absolute Universe may not have a lot of hope in it, but it's about to have one of the best-looking Flash variants that ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could they be?