The Radio Signal From Proxima Centauri Came From Earth After All

Turns out we were hearing ourselves! Earth can be a noisy place when listening to stars. Late last year, a story was leaked indicating that the Murriyang radio telescope in Australia had detected a “signal-of-interest”. Dubbed “blc1” (Breakthrough Listen Candidate 1), the signal appeared to originate from the direction of Proxima Centauri, the closest neighbouring …