Add Yahoo as a preferred source to see more of our stories on Google. Could the source of a mysterious "bloop" sound be an unknown sea creature? In 1997, the U.S. National Oceanic and Atmospheric ...
Hosted on MSN
Something in the deep made a sound that echoed through the Pacific. It took 8 years to find the source.
Here’s what you’ll learn when you read this story: In 1997, NOAA researchers recorded a mysterious ultra-low-frequency sound powerful enough to cross the entire Pacific Ocean. The sound’s frequency ...
In 1997, underwater sensors detected an extremely powerful sound across thousands of miles of the South Pacific. Its rising frequency initially resembled an animal call, prompting speculation about an ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results