Scientists find more evidence that Planet Nine exists
 

It took us almost 50 years to get a close look at Pluto, so we think it's safe to say humanity has to wait a while before we can catch a glimpse of Planet Nine. In fact, we still have to prove that it really does exist. Mike Brown, who played a key r...

http://www.engadget.com/2016/03/25/p...nine-evidence/