[troutman]

Astronomers Find Evidence Of Two Undiscovered Planets In Our Solar System

http://www.iflscience.com/space/sign...-x-and-maybe-y

The possibility of a planet lurking in the outer reaches of the solar system has gained new ground, based on the orbits of recently discovered objects. There is a new twist to the latest evidence, however, with suggestions of not one but two large planets at mind-bending distances from the Sun.