Proxima Centauri is the nearest star system to ours, at just 4.2 light years away. We now have what may very well be a signal from an advanced civilization on the Earth-like planet in that system
https://www.dailymail.co.uk/sciencetech/article-9067117/Alien-hunters-carefully-investigating-mysterious-radio-signal-Proxima-Centauri.html
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