In 2015, two astronomers from Caltech presented evidence that six objects past the orbit of Neptune were bunched ... better than in simulations where planet 9 was not included.

In 2015, a pair of astronomers at Caltech found several objects bunched together beyond Neptune's orbit ... from an unknown ...

Others orbit backwards. And still others orbit perpendicular ... In fact, they even went so far to give it a name, Planet 9. Now, of course, if they were to confirm this discovery, it would ...