nat Latest articles by nat Planet X? New Evidence of an Unseen Planet at Solar System's Edge By nat published 25 May 12 An astronomer has proposed the existence of an unseen planet in the distant outskirts of the solar system. It would explain the peculiar motions of Kuiper belt objects. Planets Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1China saves 2 doomed satellites with novel 'gravitational slingshot'2Scientists spot 'dark nebula' being torn apart by rowdy infant stars3Mass graves of Black Union soldiers slaughtered by Confederate guerrillas possibly identified in Kentucky4Mystery of Bolivian 'zombie' volcano finally solved5Two new crocodiles discovered in the Caribbean
Planet X? New Evidence of an Unseen Planet at Solar System's Edge By nat published 25 May 12 An astronomer has proposed the existence of an unseen planet in the distant outskirts of the solar system. It would explain the peculiar motions of Kuiper belt objects.