Vast ocean found beneath ice of Saturn moon

Saturn
This photo provided by NASA shows water vapor jets, emitted from the southern polar region of Saturn's moon Enceladus. Scientists have uncovered a vast ocean beneath the icy surface of the moon, they announced Thursday, April 3, 2014. Italian and American researchers made the discovery using Cassini, a NASA-European spacecraft still exploring Saturn and its rings 17 years after its launch from Cape Canaveral.