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

Microscopic wormholes may be driving the accelerated ... our universe is expanding at an ever-increasing rate. However, Einstein's general theory of relativity states that if the universe contains ...

Einstein's theory suggests that if only known ... Related Stories Astrophysicists discover how wormholes could enable time ...

also known as Einstein-Rosen bridges, are hypothetical tunnels through spacetime that could, in theory, connect distant points in space and time. If one end of a wormhole could be accelerated to ...

The Einstein-Rosen bridge in orbit around Saturn ... habitable planets are on Earth's proverbial doorstep, as the wormhole provides a permanent gateway to a distant region of the universe.