Bloop baffled scientists and inspired conspiracy theories, fiction, and cryptid speculation for years. Initially too powerful to match any known animal or machine, it was finally traced to a massive ...

In 1997, the Bloop was heard on hydrophones across the Pacific. It was a loud, ultra-low frequency sound that was heard at listening stations underwater over 5,000km apart, and one of many ...

In 1997, the U.S. National Oceanic and Atmospheric Administration recorded a mysterious sound deep in the Pacific Ocean. The sound was nicknamed the Bloop, and its origins have been a matter of ...