Speaking of the potential for life as we don't know it
Titan may have subsurface ocean of hydrocarbons, says Stanford researcher
http://www.spaceref.com/news/viewpr.html?pid=27912
"Saturn's largest moon, Titan, may have a subterranean ocean of hydrocarbons and some topsy-turvy topography in which the summits of its mountains lie lower than its average surface elevation, according to new research."
