http://hypography.com/ ©2007 Spoonlabs d.o.o. Vivvo CMS 4.0 2008-12-02T05:31:39-08:00 http://hypography.com/news/science/34329.html 2008-03-20T00:33:00-07:00 2008-03-20T00:33:00-07:00 C1ay NASA's Cassini spacecraft has discovered evidence that points to the existence of an underground ocean of water and ammonia on Saturn's moon Titan. The findings, made using radar measurements of Titan's rotation, will appear in the March 21 issue of the journal Science.