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 newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...
The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...
In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again ...
Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...
This suggests that NGC 5084 is host to a supermassive black hole tipped on its side, and scientists think it could be ...
Astronomers have captured the most detailed infrared images yet of an active galactic nucleus (AGN), using the Large ...