do you think there are other universes running, walking or sprinting next to ours? if so then what is your opinions?

Question: do you think there are other universes running, walking or sprinting next to ours? if so then what is your opinions? also what are your thoughts on time travel?
- Keywords:
  travel
Asked by bill die the radiation gu to Peter on 7 Nov 2016.
- Peter Boorman answered on 7 Nov 2016:
  
  Very interesting question… There are some theories that think ours is one of an (almost) infinite number of parallel Universes, but at the moment is very difficult to say! I guess the proper answer is ‘I don’t know’, but in my opinion, that’s what makes something even more interesting!

Question: do you think there are other universes running, walking or sprinting next to ours? if so then what is your opinions? also what are your thoughts on time travel?