What if aliens decide to contact us?
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Astronomers have been listening for signs of life from other worlds for decades with little success. But what should we do if we pick up a signal?

A group of astronomers have spent decades listening for signals from the depths of space, hoping to detect signs of intelligent life from other planets. So far they have picked up nothing but background noise, but if they ever do receive a message, it would mean the real challenges would then begin.

Read more about it in the feature here.

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