When the sound was first detected in 1997, researchers came up with various theories. The answer, however, was quite simpler.

In 1997, NOAA scientists recorded a haunting, strange sound in the southern Pacific Ocean's depths. Theories about the sound's origins included an undiscovered sea creature. By 2011, NOAA scientists ...

The 1997 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 ...