Not sure if Niburu is a hoax or not, as there is a recent report that NASA is searching for a brown star, mass 5 -10x Jupiter that many reckon is orbiting our sun in a highly elliptical orbit.This brown star is Nemesis and orbiting it, is Niburu!
There is a recent article in Pravda on this,
http://english.pravda.ru/science/mys...ibiru_earth-0/
http://www.focus-fen.net/index.php?id=n288189