Scientia is an anti-U.M.N. underground resistance organization that felt a sense of danger in the world that relied solely on the U.M.N., and investigated the darkness hiding within it, as well as that of Vector Industries. The organization was founded more than one hundred years prior to Xenosaga Episode I on Michtam by Melisse Ortus in 4669 T.C., a while after Xenosaga: Pied Piper. It has several million members and is part of the Galaxy Federation.