Scientists claimed they found elusive ‘Planet X,’ Doubting astronomers are in an uproar Prison Planet.com Posted on December 11, 2015 Posted in Aggregated No Comments Tagged with Sci Tech Washington Post | It’s a big, dark presence at the farthest reaches of our solar system. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email