The voices of whales, like those of humans, deepen as the animals age and grow, and the Loneliest Whale was no exception; initially recorded at 52 Hz, it now vocalizes closer to 46 Hz.

The Loneliest Whale: The Search for 52 is in theaters now and will become available on digital platforms from July 16. Screenshot from the film showing a whale.

The Loneliest Whale: The Search for 52, directed by Joshua Zeman and out in theaters July 9, is a documentary about the 52-hertz whale, a marine mammal that communicates in a unique frequency.

Whale 52, also known as the "loneliest whale," sings at a frequency of 52 Hertz and has captivated humans for decades. A new documentary helps explain why.

“The Loneliest Whale: The Search for 52” is not your average nature documentary. In the hands of Joshua Zeman, who has tackled urban legends and serial killers in his work ...

Joe thought, Holy cow.It hardly seemed possible. For a blue whale, which is what this one seemed to be, a frequency of 52 hertz was basically off the charts.

BELOVED orca Lolita, who was known for her mind-blowing tricks and decades spent in captivity, died just weeks after she was ...

Many regard this whale as the loneliest in the world. There’s even a Kickstarter campaign built around finding the Lonely Whale. (Though we have many recordings, no one has yet found the creature.

MOVIE REVIEW “THE LONELIEST WHALE: THE SEARCH FOR 52” Rated PG. At Landmark Kendall Square. Grade: B “The Loneliest Whale: The Search for 52” is a pandemic-ready fable for the lonely ...

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In 1989, Navy scientists searching for Russian submarines recorded a whale singing at 52 hertz, a tone higher than that of blue and fin whales that also live in the Pacific Ocean. But, as ...