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  1. Alien 'Dyson sphere' megastructures could surround at least 7 stars

  2. Alien Energy-Collecting Megastructures May Have Been Detected Around Stars

  3. Astronomers find 60 Dyson sphere candidates, among millions

  4. Dozens of stars show signs of Dyson spheres built by advanced alien

  5. Dyson spheres: Could alien megastructures exist in the Milky Way …

  6. Alien power plants may be drawing energy from seven stars in …

  7. Scientists Identify Seven Star Systems That May Be Hosting Alien ...

  8. Black holes surrounded by massive, energy-harvesting ... - Science

  9. Dyson spheres: How to spot an alien megastructure

  10. Dyson spheres: astronomers report potential candidates for alien ...