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What is the Wow! Signal and could it have been sent from 3I/Atlas? Scientists revisit the 1977 mystery

Since its discovery in 1977, the Wow! Signal has puzzled radio astronomers. The Ohio State University Big Ear radio telescope found this powerful 72-second narrowband radio signal. The signal was ...
Ars Technica

Astronomers think they’ve found a plausible explanation of the Wow! signal

An unusually bright burst of radio waves—dubbed the Wow! signal—discovered in the 1970s has baffled astronomers ever since, given the tantalizing possibility that it just might be from an alien ...