Sci-fi writers have long leaned on the wormholeas an important plot device. It’s a quick way to get characters from point A to point B, across the vast distances in spacetime, in a matter of seconds.

Theorists like Albert Einstein and Kip Thornehave been pondering the existence of these spacetime portals for decades, but so far, no one has been able to provide physical evidence of their existence. Perhaps until now.

Two new studies, published in the journals Physical Review Letters and Physical Review D, propose that wormholes safe enough for humans to travel through could exist in the real world after all.

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