In a book to be published this October, physicist Paul Halpern will explain how to build and use a cosmic wormhole as an interstellar shortcut to distant parts of the universe, or to travel backward ...

And it’s in this foam where wormholes could exist in a way that brings cosmic ideas together without breaking any larger rules. The term “wormhole” may even be misleading, because they can ...

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

It was revealed that our solar system might connect to distant stars via a cosmic “tunnel.” Although not a wormhole, this natural structure opens a new chapter in understanding interstellar ...