For many millenia it was barren and toxic, however after a long time life returned to the planet and the Jedi along with the new republic attempted to repopulate the planet almost 25 years ago. The Rise of the Dark Lord Tiberian in the Outer Rim regions ended any chance for a Republic controlled Ossus, it now serves as a key base and is under the watch of one of Tiberian's Sith Consoles, Craygen Ardor.