Mysterious 'Planet Nine' might not actually exist after all

Skywatchers have been theorizing and dreaming about a mysterious unknown planet hanging out at the edge of our Solar System for many years. Sifting through an incredible amount of data, both professional scientists and amateur space sleuths have suggested that a planet is hiding somewhere past the recently demoted Pluto, and have repeatedly claimed that they have evidence that the reclusive world is out there. Now, after extensive study of four large bodies in the outer reaches of the Solar Syst...