Experts Say We Should Stop Searching for Alien Megastructures and Search for ‘Service Worlds’ Instead

For decades scientists have been searching the cosmos for alien civilizations, one that often includes looking for extraterrestrial megastructures. Now a group of researchers is proposing an alternative, saying that instead of building megastructures like energy gathering Dyson Spheres, advanced civilizations might be capturing gigantic objects like planets for utility instead.