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 ...

Black holes are some of the universe's greatest mysteries, incredibly dense and sometimes massive void that suck in anything ...

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

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

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

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

Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* ...

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

"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 ...

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

International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected ...