The researchers observed the intensity of X-ray light blasting away from the black hole at different wavelengths, and then compared this to infrared and optical data to estimate the object's mass and ...

Stars often fall into black holes, and now it seems the opposite can also occur, producing an extra long-lasting explosion as ...

Astronomers have spotted a monster black hole in the early universe that's gorging on matter at more than twice the theoretical limit. The discovery deepens the mystery of how some black holes born ...