Black Hole, X-Ray

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...
Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...
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 ...
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, ...
NASA's Chandra and NuSTAR telescopes have teamed up to study a supermassive black hole-powered quasar that could have played ...
The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...