Are multiverses real? If so, what do they look like? How do you get there without disturbing time? – Emily, age 9, Pune, ...

Add Yahoo as a preferred source to see more of our stories on Google. The idea of a multiverse – a hypothetical collection of all possible universes – is one that science fiction fans love to explore.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American In 1990 I wrote a bit of fluff for Scientific ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...