The weird outbursts of a distant supermassive black hole may be caused by a death-defying white dwarf walking a cosmic tight ...

An international team of astronomers has conducted multiwavelength observations of a variable star designated Gaia22ayj.

A strange black hole is making scientists scratch their heads.

The name “blue lurker” might sound like a villainous character from a superhero movie. But it is a rare class of star that ...

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 fastest-spinning white dwarf ever discovered is a shrinking cosmic vampire feasting on a stellar companion. A feeding ...

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

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 ...

RX J0648.0–4418, spinning rapidly and shrinking, edges closer to a supernova due to mass accretion from its companion star.

MIT astronomers observed flashes of X-rays coming from a supermassive black hole at a steadily increasing clip. The source could be the core of a dead star that’s teetering at the black hole’s edge.