Meet KIC 8462852, famously known as "Tabby's Star." It's an otherwise normal star with one massive mystery: it dims... a lot. ​When a planet passes in front of a star, it might dim the star's light by 1%. But Tabby's Star has been seen to dim by a mind-blowing 22%! ​What's more, the dimming isn't regular or predictable. It happens at random times, for random durations. ​This bizarre behavior was so strange that it led to one of the most exciting and viral hypotheses in modern astronomy: an "Alie