The ocean is wide, vast, and terrifying. But for the last 40 years, researchers around the world have been recording audio from hydrophones to try to understand it better. And we've learned a lot. But a surprising number of sounds have been recorded that defy explanation. Here are some of the most mysterious.
The Loudest Underwater Sound Ever Recorded
The ocean is wide, vast, and terrifying. But for the last 40 years, researchers around the world have been recording audio from hydrophones to try to understand it better. And we've learned a lot. But a surprising number of sounds have been recorded that defy explanation. Here are some of the most mysterious.