Beginning to see the light?NASA/JPL-Caltech/T. PyleBy Jesse EmspakThe “alien megastructure” star that has been puzzling us for the past few years might have a more ordinary explanation: an orbiting Saturn-like planet, complete with wobbling rings. In 2015, a group led by Tabetha Boyajian, then of Yale University, found that a star called KIC 8462852...