Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...

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 ...

A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...

Regular pulses of X-ray radiation emanating from a supermassive black hole could be explained by a white dwarf star on the ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could ...

Black holes themselves emit no light, but the supermassive black holes at the centers of galaxies are often surrounded by ...

A strange black hole is making scientists scratch their heads.

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 ...

According to the calculations, the likely object was a white dwarf about 10 percent the mass of the Sun. It was moving about ...