Mysterious ‘unseen planetary mass’ lurking at edge of solar system https://www.rt.com/viral/393710-mysterious-unseen-planetary-mass/
Scientists claimed they found elusive ‘Planet X.’ Doubting astronomers are in an uproar. https://www.washingtonpost.com/news/morning-mix/wp/2015/12/11/scientists-claimed-they-found-the-elusive-planet-x-now-astronomers-are-in-an-uproar/
Is there a Planet X, a ‘massive perturber,’ hidden beyond Pluto? http://www.washingtonpost.com/news/speaking-of-science/wp/2015/09/03/is-there-a-planet-x-a-massive-perturber-hidden-beyond-pluto/
Fox News Reports: New Research “May Give Way To Evidence of the Existence of Planet X” http://www.shtfplan.com/headline-news/fox-news-reports-new-research-may-give-way-to-evidence-of-the-existence-of-planet-x_01192015
Secret rogue planet may be hiding behind Neptune http://m.now.msn.com/living/0514-secret-planet?OCID=media_nowcontrol