Black holes live forever, at least according to general relativity. Once material crosses a black hole's event horizon, it is trapped forever, until the last day of cosmic time. But we know that isn't ...

Recent observations suggest that 'runaway' black holes are tumbling through the cosmos. Building on decades of theory, the discovery adds a remarkable new chapter to the story of the universe. Imagine ...

Astronomers have witnessed something that no one believed possible: a black hole ripping apart a star not at the center of a galaxy, but far from it. More amazingly, the event’s radio waves pulsed and ...

Here’s what you’ll learn when you read this story: Black holes usually form from stars that burn out and collapse in on themselves, but that cannot explain the red spark of light that could be a ...

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 ...

Black holes are often seen as cosmic monsters that swallow anything unlucky enough to stray too close. But new research suggests they do not always win — some stars can skim the Milky Way's central ...

An astrophysicist has made an ambitious proposal for how humanity could probe the extreme physics of black holes — by sending a spaceship no bigger than a paperclip to our nearest one. The spacecraft, ...

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