Go one way, you'll travel to the past, the other way, travel to the future. Now again, we don't know if wormholes are real. We don't know if they are real whether you'll be able to go through them.

Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

While researching black holes in 1935, Albert Einstein and his pupil Nathan Rosen discovered that they could develop mathematical solutions that connected two black holes via a wormhole, or tunnel.

Wormholes have been popularized in science fiction, from the film 'Interstellar' to the series 'Stargate' and 'Star Trek'. These mysterious portals could be the key to traveling vast ...

NOVA: What do you think it would be like to travel through a wormhole? Hear Sagan via RealAudio Sagan: Nobody really knows, but what Thorne has taught me is that say, for example, you were going ...

I have no idea. However, Forbes contributor Paul M. Sutter had a lot to say on what a wormhole is and why it's a bad idea to travel through one back in 2019. Mainly that they probably don't ...

travel guides advise that tourists never swim in the wormhole. The strong and unpredictable currents make it dangerous. For other reasons, the locals also saw the wormhole as dangerous for many years.