Black Hole, X-Ray

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...
The weird outbursts of a distant supermassive black hole may be caused by a death-defying white dwarf walking a cosmic tight ...
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 ...
Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...
A strange black hole is making scientists scratch their heads.
Supermassive black holes are not picky eaters. They placidly sit at the center of galaxies, but if material gets too close, ...
The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.
NASA's Chandra and NuSTAR telescopes have teamed up to study a supermassive black hole-powered quasar that could have played ...