Signal or Noise: 8 Mysterious Unsolved Sounds
- Did aliens try to send us a message in 1977? Is some mythical, nightmarish sea monster responsible for the bizarre ocean sound known as The Bloop? Could an enigmatic Russian radio signal be transmitting encoded messages to spies? The world is full of sounds, but some stand out, especially when theyâ€™re incredibly loud or simply unexplainable by science. These 8 sounds and signals are subjects of constant speculation between conspiracy theorists and scientists alike, but it's possible that we'll never know their origin or meaning.