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 ...

Add Yahoo as a preferred source to see more of our stories on Google. In 1997, NOAA scientists recorded a haunting, strange sound in the southern Pacific Ocean's depths. Theories about the sound's ...

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 ...

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

IN THE summer of 1997, an array of underwater microphones, or hydrophones, owned by the US government picked up a strange sound. For a minute, it rose rapidly in frequency; then it disappeared. The ...

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 ...

When the Bloop was first reported by the National Oceanic and Atmospheric Administration, the media began to speculate that it was caused by a giant undersea creature. In 1997, the Bloop was picked up ...

In the summer of 1997, scientists recorded a strange, loud noise originating from an area west of Chile's southern coast. They dubbed it "the bloop." While searching for underwater volcanoes, ...