Astrophysics

Black Holes

Where gravity wins — and spacetime itself breaks down.

Black holes are the universe at its most extreme: objects so dense that not even light escapes. From the supermassive giant anchoring our own galaxy to the merging pairs that ripple spacetime as gravitational waves, they are now directly imaged, weighed and heard.

Black Holes imagery in the Gallery

Articles on Black Holes

A Cosmic Pile-Up: JWST Catches Six Galaxies Merging at the Dawn of Time

A Cosmic Pile-Up: JWST Catches Six Galaxies Merging at the Dawn of Time

Using the James Webb Space Telescope (JWST), astronomers have captured a rare, ancestral portrait of the cosmos: at least six early galaxies crashing together just 1.5 billion years after the Big Bang, all swirling around a hungry supermassive black hole.

1 Jul 20262 min read

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Black Holes — From Theory to Observation

Schwarzschild radius, event horizons, Hawking radiation, and how the Event Horizon Telescope captured the first image of a black hole.

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