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 ...

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 ...

MIT astronomers have been captivated by the strange behaviors of a supermassive black located 270 million light-years away, ...

Astronomers have observed strange behaviors in a distant black hole. Plasma jets are moving fast, and X-ray flashes are ...

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. Astronomers developed this ...

The supermassive black hole at the center of the Milky Way, called Sagittarius A*, is about four times more massive than this one. White dwarfs are among the most compact objects in the cosmos ...

Astronomers detected X-ray flashes from the black hole that increased in frequency from one every 18 minutes to one every ...

The observations revealed features never before seen in real time around a supermassive black hole. Among them was the launch ...

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 ...