Red dwarfs shine cold,
Infrared light hints at life—
Dyson spheres on watch.
Infrared light hints at life—
Dyson spheres on watch.
Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien megastructures: a Dyson sphere. The study finds that red dwarfs and white dwarfs are the most promising stars to examine, since advanced civilizations could potentially build energy-harvesting swarms…