The brown dwarf CNN report is from back in Feb. : http://news.blogs.cnn.com/2011/02/15/scientists-telescope-hunt-massive-hidden-object-in-space and http://www.independent.co.uk/news/science/up-telescope-search-begins-for-giant-new-planet-2213119.html
This is the old Tyche planet that two astronomers think we might have in the Oort cloud. The theory has some things working for it and some against.
No proof either way has been found in the Wise data as of yet.
