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

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

Astronomers have uncovered one of the heaviest black holes ever seen in the universe. Located some 5 billion light-years from ...

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

The Cosmic Horseshoe is a gravitationally lensed system with the foreground galaxy being one of the heaviest in the known ...

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

It may be the most massive black hole ever found. 36 billion times larger than the mass of our Sun, it was previously hidden ...

Astronomers have just uncovered what may be the most massive black hole ever detected in the universe—an astonishing 36 ...

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

Astronomers have uncovered a black hole in the Cosmic Horseshoe galaxy, potentially the most massive ever detected, dwarfing ...

About 5 billion light-years away from where you're sitting, in one of the most massive galaxies on record, there exists an ...

Astronomers have found one of the heaviest black holes ever measured, sitting in the heart of a distant galaxy and coming in well above what scientists would normally expect for a galaxy of its size.