The space agency is taking a ‘wait and see’ stance on indications of a ninth planet in our solar system (announced Jan. 21st, 2016). Planetary Science Division Director Jim Green says its based on "limited observations,” but has started an important debate that might lead to discovery. -- 'Planet Nine' May Exist: New Evidence for Another World in Our Solar System:
Planet X finally confirmed : Behind Pluto is a giant ninth planet lurking.
He seems to exist: the mysterious ninth planet or planet x. Nobody has seen the newcomer, also the two American explorers not. But astronomers have strong evidence: behind Pluto, a lot further even, lies another planet. In a distant corner of our solar system orbits, according to the geniuses, a celestial body around 10 times larger than Earth.
