Dozens of stars show signs of hosting advanced alien civilisations
Sufficiently advanced aliens would be able to capture vast quantities of energy from their star using a massive structure called a Dyson sphere. Such a device would give off an infrared heat signature - and astronomers have just spotted 60 stars that seem to match
![Dozens of stars show signs of hosting advanced alien civilisations](https://images.newscientist.com/wp-content/uploads/2024/05/10135213/SEI_203314857.jpg)
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