Dyson spheres, the hypothetical mega-structures that advanced alien civilizations might use to enclose a star and harness its energy, suffer from a fatal flaw: They are catastrophically unstable. But ...

Sometimes, light curves of stars and pulsars have wonky, flickering properties, and some scientists wonder if these light curves could be caused by artificial megastructures built by advanced ...

Dyson spheres and rings could exist in the universe, if we’re dealing with a certain type of star system. One physicist tapped into centuries of research on the three body problem of celestial ...