Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

The Massachusetts Institute of Technology (MIT) team thinks that a dead stellar core, or white dwarf, daringly teetering on the edge of the black hole is the cause of increasingly frequent ...

Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with supermassive black holes, surrounded by ... X-Ray Flashes from a Nearby Supermassive Black Hole ...

Astronomers have discovered a supermassive black hole-powered quasar that may have helped "turn on the lights" in the early universe The intense brightening and dimming of this quasar was observed ...

The observations made using the European Space Agency’s XMM-Newton orbiting X-ray telescope appear to show a white dwarf nearing the point of no return — called the event horizon — as it orbits the ...

An artist's concept shows a stream of matter trails a white dwarf (sphere at lower right) orbiting within the innermost accretion disk surrounding a supermassive black hole. — Reuters WASHINGTON ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Astronomers have discovered a supermassive black hole-powered quasar that may have helped "turn ...

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos. When you purchase through links on our site, we may earn an affiliate ...