A survey of five million distant solar systems , aided by 'neural network' algorithms, has discovered 60 stars that appear to be surrounded by giant alien power plants. [...] . Two teams of astronomers, led by Matías Suazo at Uppsala University in Sweden and Gaby Contardo at the International School for Advanced Studies in Italy, ran the latest hunt for the tell-tale infrared data that might reveal a distant 'Dyson sphere.'
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