Rogue ice moon could be spilling its guts all over 'alien megastructure' star
September 20, 2019 at 07:00 AM EDT
Back in 2016, headlines all over the world blared with news of a possible "alien megastructure" detected orbiting a distant Milky Way star. Now, a team of Columbia University astrophysicists has offered up an explanation for the star's strange behavior that doesn't involve any little green men.