When that happens, people's imaginations tend to run wild, sparking all sorts of speculative theories. This is exactly what occurred when a peculiar "bloop" sound was detected in the Pacific Ocean ...

The Bloop mystery has been solved: it was never a giant sea monster All products featured on WIRED are independently selected by our editors.

Nevertheless he agrees that the sound is most likely to be biological in origin. The system picking up Bloop and other strange noises from the deep is a military relic of the Cold War.

More than two decades ago, scientists heard the Bloop, and it took years to determine where the mysterious sound might have originated.

Listen to 'the bloop,' a strange noise recorded in the southern Pacific Ocean that stumped scientists for years By Paola Rosa-Aquino ...

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 ...