Dozens of stars show signs of Dyson spheres built by advanced alien civilisations

Two surveys of thousands and thousands of stars in our galaxy have revealed mysterious spikes in infrared warmth coming from dozens of them. Astronomers say this may very well be proof for alien civilisations harnessing power from their stars by utilizing an enormous building often known as a Dyson sphere – though they’ll’t absolutely rule out extra mundane explanations.

First proposed within the Nineteen Sixties, Dyson spheres are hypothesised constructions that might encompass complete stars to soak up their power, a…