That's the idea behind a wormhole. A wormhole is like a tunnel between two distant points in our universe that cuts the travel time from one point to the other. Instead of traveling for many ...

But using wormholes for time travel won't be straightforward. Artwork: A wormhole can be thought of as a kind of tunnel creating a shortcut between separate points in space-time The nearest ones ...

Carl Sagan, the astronomer, Pulitzer Prize-winning author, and legendary popularizer of science, gave this interview during the making of "Time Travel." True to form, he discusses arcane aspects ...

Some scientists are exploring other ideas that could theoretically allow time travel. One concept involves wormholes, or ...

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 ...

but it was shown – theoretically – by Kip Thorne that spacetime can be warped to make a stable wormhole that you can travel through (traversable). 2. Time travel is easy as long as you follow ...