Astronomers have made a groundbreaking discovery: a binary star orbiting perilously close to the supermassive black hole at the center of our galaxy, Sagittarius A*. This stellar pair defies ...

In a revelation that challenges conventional theories, NASA astronomers have identified a supermassive black hole in the ...

HE0435-1223, a lensed quasar, is surrounded by four images created by a foreground galaxy, making it one of the five best lensed quasars discovered. Hubble's image of NGC 5793, a spiral galaxy 150 ...

The study was published in The Astrophysical Journal. AGNs are among the universe's most luminous objects, powered by the accretion of matter onto supermassive black holes (SMBHs) at their centers.

Many stars in our galaxy exist in pairs. Now scientists are finding clues that our Sun may once have had a companion of its ...

On this day three years ago, we witnessed the nail-biting launch of the James Webb Space Telescope (JWST), the largest and ...

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's supermassive black hole Sagittarius A*. See W.M. Keck Observatory imagery of X7 ...

It’s explored our own Solar System, studied the atmospheres of distant planets in search of signs of life and probed the ...

A new effort to map the rumblings in spacetime caused by enormous black hole collisions paints a surprisingly loud and ...

What knocked this black hole over onto its side? It's a cosmic "whodunnit" that NASA scientists using the Hubble and Chandra ...

Astronomers discover a quasar 12 billion light-years away with a water reservoir 140 trillion times larger than Earth's ...