Supermassive black hole, Earth

NASA astronauts Nick Hague and Suni Williams completed a six-hour spacewalk to repair and upgrade equipment outside the ...
Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the ...
In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again by 2020 -- only to dramatically increase its output again in 2023. At that ...
Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...
A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...
Black holes themselves emit no light, but the supermassive black holes at the centers of galaxies are often surrounded by ...
A supermassive black hole in a distant galaxy is once again surprising scientists. In 2018, a black hole called 1ES 1927+654, ...
Black hole quantum effects are usually thought to be too small to have any observable signatures. This is indeed the case for ...