Episodes
When two experts build their own radio-listening station to intercept the secret communications of American and Soviet ...read more When two experts build their own radio-listening station to intercept the secret communications of American and Soviet astronauts, they capture traces of a haunting voice that may be a lost Russian cosmonaut. show less
When a powerful radio beam originating from deep space is detected by experts on earth, some suspect it's hard evidence of ...read more When a powerful radio beam originating from deep space is detected by experts on earth, some suspect it's hard evidence of extraterrestrial life; new investigations into this shocking signal might reveal the truth. show less
A Russian radio station has broadcast a signal nonstop since the Cold War, and no one knows why; experts use hi-tech methods to ...read more A Russian radio station has broadcast a signal nonstop since the Cold War, and no one knows why; experts use hi-tech methods to investigate what it is, and what might happen if it ever stops. show less
When someone picks up a radio distress call from a seven-year-old boy lost alone in the desert, authorities embark on a ...read more When someone picks up a radio distress call from a seven-year-old boy lost alone in the desert, authorities embark on a search-and-rescue mission to find him; as the hunt continues, the case becomes more and more mysterious. show less
At the tomb of one 3,000-year-old Egyptian pharaoh, experts report that the massive statues that guard the site can sing; using ...read more At the tomb of one 3,000-year-old Egyptian pharaoh, experts report that the massive statues that guard the site can sing; using cutting-edge technology, investigators hunt for an explanation for this mysterious phenomenon. show less