is there a multiverse? – I'm a Scientist 25/26

Question: is there a multiverse?
- Keywords:
  multiverse,
  space,
  universe
Asked by what1torn to zongyuanzhu, Dr Shikhar Mittal, Ryan B, Paul, Martin M, keirrogers, jadegray, Andreas, anamariaraclariu on 22 Sep 2025.
- Martin McCoustra answered on 22 Sep 2025:
  
  The idea of the multiverse is widely discussed in Physics… See this link for a good description – https://thephotonist.net/exploring-the-multiverse-theories-and-evidence/. There are even claims that features in the Cosmic Microwave Background could be observational evidence of the mutliverse.

Question: is there a multiverse?