This video breaks down the most famous ways time travel could work, from relativistic speed to black holes, wormholes, ...

This video turns spacetime into a cosmic threat, asking whether the fabric of reality can actually break. It explains ...

What happens when two black holes become connected through an inextricable quantum link? Calculations suggest that this can give rise to a bumpy space-time tunnel called the “Einstein-Rosen ...

Here's what you'll learn when you read this story: A wormhole in nature (for select values of "nature," of course) might be a similarly higher-dimensional shape that does not act the same when ...

A ring in space, at least on paper, can do something a black hole cannot. It can connect distant regions without forcing ...

Nearly every massive galaxy observed hosts a supermassive black hole at its center. NASA’s James Webb Space Telescope has ...

Wormholes are often imagined as tunnels through space or time — shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen. In ...

Black holes are among the most mysterious objects in the cosmos. They can bend ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...