An artist’s impression of a possible ninth planet. It would be quite large — at least as big as Earth — with a thick atmosphere around a rocky core. Credit California Institute of Technology

There might be a ninth planet in the solar system after all, and it is not Pluto.Two astronomers reported on Wednesday that they had compelling signs of something bigger and farther away — something that would satisfy the current definition of a planet, where Pluto falls short.

Source: Ninth Planet May Exist Beyond Pluto, Scientists Report – The New York Times

Editor’s note: Don’t miss the comments’ area, fun and interesting.. Why nothing like this has been found, odd, for 21st Century, but a 10,000-20,000 year orbit ? could mean it’s never been near (yet) …