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.

If whales can think and contemplate, then these are probably the existential questions that the 52-Hertz whale thinks of. Floating in the endless waters, he is the loneliest whale in our blue planet.

June 8 (UPI) -- Filmmaker Joshua Zeman and a team of experts seek out the 52 Hertz whale in the new trailer for upcoming documentary, The Loneliest Whale: The Search for 52. The clip, released on ...

There’s something about this whale. They call him “52,” which isn’t as much a name as much as a measurement, since that’s the frequency, in hertz, of his bleating, electric call. He’s ...

The loneliest whale in the world has inspired articles, stories, songs, pieces of art and numerous Twitter accounts. Zeman said the story of 52-Hertz is something that can resonate in everyone.

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.