Stephen Hawking's final research paper, just published in an open access journal, suggests that our Universe may be one of many similar to our own. It points a way forward for astronomers to find evidence of the existence of parallel universes. The paper

awesome, i was just reading about this on phys.org and was just about to post it. https://phys.org/news/2018-05-multiversestephen-hawking-theory-big.html