Wormhole Wonders: Hunting Down Spacetime Shortcuts

Science fiction literature is full of stories in which tunnels in space-time — known as wormholes — are used for time travel. How much fact lies within the fiction? The answer is, more than you might think.

Published On 10/20/2015
12:30 PM EDT
Artist's rendition of the folding of spacetime and a wormhole connecting two distant locations. | Corbis