Discussing the 1977 radio signal that stunned scientists and gave rise to theories ranging from comets to aliens: the Wow! Signal. In 1977, an astronomer noted a reading on a radio telescope unlike any he had ever seen before. He was so amazed by the 72 second signal that he circled the anomaly in red ink, writing “Wow!”. For decades, astronomers and researchers have tried to replicate or explain the strange reading. Was this a celestial oddity or a sign from extraterrestrial life? Today, we’re analyzing the Wow! Signal.