Add Yahoo as a preferred source to see more of our stories on Google. While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel ...

The Star Trek franchise is filled with alternate realities, but some only get brief moments of prominence. Read on for more.

A bizarre new theory suggests there may be countless alternate versions of your life playing out at the same time across parallel universes. According to Oxford physicist Vlatko Vedral, every tiny ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have long pondered on one of the universe's greatest mysteries: Are we alone? They have searched the cosmos, but so far ...