Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...
Since 2018, we've seen 1ES 1927+654 generate jets in real time and found it may have a lone white dwarf orbiting near the ...
The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.
By Kenneth Chang Home security-camera footage shows a puff of smoke, with the sound of an explosion included, as the space rock lands in Canada. A geologist said it was a rare recording.