The sea monster goes ‘bloop’—or does it?

Could the source of a mysterious "bloop" sound be an unknown sea creature? In 1997, the U.S. National Oceanic and Atmospheric ...
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Listen to 'the bloop,' a strange noise recorded in the southern Pacific Ocean that stumped scientists for years

In 1997, NOAA scientists recorded a haunting, strange sound in the southern Pacific Ocean's depths. Theories about the sound's origins included an undiscovered sea creature. By 2011, NOAA scientists ...