Add Yahoo as a preferred source to see more of our stories on Google. Einstein–Rosen bridges are not wormholes but quantum links between opposite directions of time, offering new insight into black ...

Einstein–Rosen bridges may reflect a two-directional structure of time that preserves information and hints at a pre–Big Bang universe.

Physicists are still debating wormholes as if it were 1935, with the ink barely dry, on a chilly, fluorescent morning in a university corridor—the kind with ...