The astronomers estimated that the "ultramassive" black hole is over 10,000 times the mass of the Milky Way's black hole.

At 36 billion solar masses, the newly discovered black hole is so massive that it seems to break some theories of the ...

New measurements of the galaxy at the heart of the “Cosmic Horseshoe” indicate that it could house the most massive object ...

If you point your spaceship toward the constellation Leo, fire your thrusters, and travel about 5 billion light-years, you’ll ...

Astronomers have used a new method to weigh the ultramassive black hole. They hope this will help them better understand how ...

Astronomers had long been aware of these so-called Herbig-Haro objects—brilliant flares of ionized gas, often near newborn ...