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 ...

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

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

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

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

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

The black hole, spotted 5 billion light-years away in the Cosmic Horseshoe, could be the most massive ever found.