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 ...

The loudest underwater sound ever recorded has been a mystery for 20 years and it still hasn't got a confirmed explanation. In 1997, the United States' National Oceanic and Atmospheric Administration ...

In the summer of 1997, the US National Oceanic and Atmospheric Administration picked up a sound from deep beneath the Pacific. The sound seemed to come from an animal far larger than any we’ve ever ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. In 1997, scientists detected a strange sound unlike anything they'd heard before in 1997 - but years later they managed to figure ...

In 1997, Bloop was detected by U.S. Navy "spy" sensors 3,000 miles apart that had been put there to detect the movement of Soviet submarines, the magazine reports. The frequency of the sound meant it ...