There are black holes that are too big to be born from the death of a star but aren’t quite supermassive either. There’s ...

There is a place in the universe where the ordinary rules simply stop working. Time slows to a crawl. Space curves back on ...

Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...

At some 60 billion times the mass of the sun, this dark void could be home to a pair of black holes that are due for a cosmic collision.

Black holes are regions in space where gravity is so strong that nothing, even light, can escape. Einstein's theory of ...

Some black holes could have tamer origins—in the folds of unusual "spacetime crystals" that researchers finally managed to ...

Whenever someone talks about black holes, they almost always talk about the event horizon and the singularity. After all, that's what defines a black hole, right? Well, it depends on what you mean by ...

Dark matter is one of the biggest puzzles in science. Although it makes up about 85 percent of all matter in the universe, it has never been directly observed. You can’t see it, touch it, or hold it ...

The nature of black holes has long been shrouded in mystery, but some astronomers believe the answers are a lot closer to home than expected. A fringe astronomical theory known as "black hole ...

Chinese astronomers may have discovered a never-before-seen triple black hole system. The team identified this triplet, which is locked in a complex "waltz," after spotting a hidden supermassive black ...

Here’s what you’ll learn when you read this story: Most supermassive black holes lurk in the nuclei of galaxies, surrounded by stars and glowing with haloes of superhot matter, which swirls inward ...