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 ...

Find the answer for Time travel or parallel universes, in sci-fi from the people who brought you the USA TODAY Daily Crossword Puzzle.

(NewsNation) — Theoretical physicist Dr. Michio Kaku supports the concept of parallel universes, but he says people shouldn’t get their hopes up about meeting their doppelganger in another dimension, ...

Hints of a mirror cosmos have a way of gripping the imagination, and recent chatter about “first proof” of a parallel universe has pushed that fascination back into the spotlight. Behind the viral ...

The universe is a strange, beautiful place—rich with possibilities and governed by the odd rules of quantum mechanics. One of the most mind-bending ideas from this realm is the many-worlds ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel universes do exist, could we ever travel to them? It certainly wouldn ...