During the Cold War, a military system built to track Soviet submarines accidentally captured a strange 'song' that kept ringing on the ocean floor.Somewhere in the Pacific, more than 30 years after ...

Somewhere in the North Pacific, a whale has been calling at a frequency of approximately 52 hertz since the late 1980s. Underwater listening systems have tracked its movements across entire ocean ...

For nearly forty years, a strange signal has been drifting through the North Pacific, making scientists scratch their heads. It comes in at 52 hertz, a pitch no known whale normally makes. The whale ...