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

Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the ...

In December 2022, less than six months after commencing science operations, NASA's James Webb Space Telescope revealed ...

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.

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

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

In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again ...

"This is how you solve the universe-breaking problem." ...

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

University of Arizona astronomers have now produced the highest resolution direct images ever taken of a supermassive black ...

"If our eyes were able to detect X-rays, the sky would be full of dots. And every single one of those dots would be an ...

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 ...