There have been efforts to find them in the Milky Way and in other galaxies. All we really know is that Kardashev Type III civilizations aren't all around us. B

There have been efforts to find them in the Milky Way and in other galaxies. All we really know is that Kardashev Type III civilizations aren't all around us. But that doesn't mean very much. https://www.centauri-dreams.org/2022/01/20/the-dyson-sphere-search/ https://www.centauri-dreams.org/2022/01/20/the-dyson-sphere-...