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 ...

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

Astronomers have discovered potentially the most massive black hole ever detected. The cosmic behemoth is close to the ...

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

In a galaxy far, far, far away, astronomers have found the oldest black hole in the universe, thought to have formed less ...

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

A galaxy billions of light years from Earth houses what may be the most massive black hole in the universe, equivalent to ...

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

The black hole sits five billion light-years from Earth. It lies at the centre of a giant galaxy in the Cosmic Horseshoe ...

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