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 ...

In 1997, NOAA researchers recorded a mysterious ultra-low-frequency noise so powerful it registered on sensors thousands of miles apart.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Less than 30 percent of the ocean seafloor has been mapped. It’s often said that we know more about the moon, than we do about the ...