Is it possible to travel through universes?
Is it possible to travel between parallel universes?
But while we don't have the means to definitively prove whether alternate universes do exist, and whether we could traverse borders to move from one to another, it's highly unlikely that a topic as stimulating as this will disappear anytime soon, either in science fiction or in real-life science.
Can two universes overlap?
The universes predicted by string theory and inflation live in the same physical space (unlike the many universes of quantum mechanics which live in a mathematical space), they can overlap or collide.Sep 2, 2015
How many universes are there?
In a new study, Stanford physicists Andrei Linde and Vitaly Vanchurin have calculated the number of all possible universes, coming up with an answer of 10^10^16.Oct 16, 2009