Black holes have long captured the imagination of both scientists and the general public. These exotic objects—once thought to be merely hypothetical—have also conceptually inspired countless artists ...

The supermassive black hole at the center of the Milky Way has long looked quiet, a dim and seemingly dormant presence compared with the blazing monsters in distant galaxies. New X-ray observations ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The Event Horizon Telescope (EHT) Collaboration created a ...

Black holes are places where gravity is so powerful that nothing — not even light — can escape. Rather than being empty, black holes are chock full of matter that gets squeezed into a teensy space.

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 ...

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 ...