The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold ...

At the core of the galaxy, about 26,000 light-years away in space, is Sagittarius A*, a supermassive black hole about 4 million times more massive than the sun. The idea is that Sgr A* scarfed down ...

Theoretically, there's no limit to how massive a black hole could grow. In practical terms, other constraints, such as the ...

Astronomers using the Very Long Baseline Array (VLBA) and the Very Large Array (VLA) have caught a supermassive black hole in ...

Astronomers have identified an ultramassive black hole that could be the largest ever measured, hidden in a distant galaxy ...

Astronomers have identified a 36-billion-solar-mass black hole in the distant Cosmic Horseshoe galaxy, using a new technique ...

Astronomers have uncovered what may be the most massive black hole ever found, 36 billion times the mass of our Sun, hidden ...

Astronomers spotted the ultramassive black hole inside the Cosmic Horseshoe, an equally gargantuan galaxy so powerful that it ...

Scientists have tapped into gravitational lensing and stellar dynamics to confirm the existence of a black hole with 36 ...

But the Milky Way’s black hole, Sagittarius A*, is actually much smaller than the first and was more difficult to see, since it required peering through the hazy disk of our galaxy.