Do you prefer multistory episodes, single story episodes, or a mix? Let us know! The Wow! signal, detected on August 15, 1977, by Ohio State University's Big Ear radio telescope, remains one of the most intriguing mysteries in the search for extraterrestrial intelligence. This powerful, narrowband radio signal lasted 72 seconds and has never been detected again, captivating scientists and enthusiasts with its potential implications for alien communication. Discovered by astronomer Jerry Ehman...