In the next 20 years we could find out if there is life on other planets

n a rare interview, Astronomer Royal Lord Rees sat down with Humans Invent's Leo Kent to discuss the origins of the universe, the possibility of alien life and just what happened before the big bang.

"If we have to abandon the idea of time as a dimension ticking away then the whole concept of ‘before and after’ gets a bit fuzzy."

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