Parallel universes crop up in two places in physical ... which means it should exist. Perhaps time travel into the past is ...

There is a strangeness to the cosmic symphony that may encompass time travel, higher dimensions, quantum superspace, and parallel universes—worlds that resemble our own and perhaps even occupy ...

One radical theory suggests that the Big Bang may have created two parallel universes ... say they may have unlocked the secret to time travel. But reality suggests otherwise.

NOVA: Do you think that backwards time travel will ever be possible ... or do you think it's more likely that that there are parallel universes? Hear Sagan via RealAudio Sagan: It's still somewhat ...

New data from the Atacama Cosmology Telescope has allowed astronomers to travel back in time to the dawn of the universe.

Elder Scrolls 6 can take things to the next level by bringing this one questline from Starfield that allows for parallel ...

the universe discards its rules and reorganizes everything: the present, the future and the multiverses merge, separating teenagers and sending them to parallel worlds, in different time frames.