LONDON, England --Scientists have revealed a mysterious recording that they say could be the sound of a giant beast lurking in the depths of the ocean. Researchers have nicknamed the strange ...

Back in the late 1990s, NOAA’s Acoustic Monitoring Project recorded a series of haunting, creepy noises from deep beneath the ocean’s surface (you can hear it in the audio above). When this recording ...

A mysterious underwater noise recorded in 1997, the “Bloop,” fuelled years of speculation about megalodon and other undiscovered giants. But NOAA’s long-running investigation eventually traced the ...