Parallel universes crop up in two places in physical theories. One is in our conception of inflation, the theory of the extremely early universe. In those tumultuous times, many u ...

You’re likely familiar with the old tale about how Steve Jobs was ousted from Apple and started his own company, NeXT. Apple then bought NeXT and their technologies and brought Jobs back as CEO ...

And those are the 10 best alternate universe versions of Superman. If you’re looking forward to James Gunn’s take on the hero, here’s every DCU cameo and Easter egg in the teaser trailer for ...

The beam will contain neutrinos — the most mysterious fundamental particles known in the universe. Leaving from France on Oct. 14, the 55-by-14-foot coldbox was shipped across the Atlantic Ocean ...

And in that alternate universe, Hitler was always killed by a time-traveling assassin from another universe. When you return to the future, you come back home, with an unchanged past. Breaking ...