Ethan Siegel

Science

Astronomers Just Found a SECOND ‘Dyson Sphere’ Star

Amongst the far reaches of space, there resides a mysterious alien star whose odd variations in brightness and tendency to dim inexplicably have left scientists baffled for several months. Called the KIC 8462852, or Tabby’s Star, the alien sun seemed to dim up to 22% over the course of the century, leading scientists to believe that something massive was passing…