Deep-sea vents could infuse Enceladus’ ocean with microbe food NASA/JPL-CalTech Artist illustration of Cassini at Enceladus The results are back from the Cassini spacecraft’s closest encounter with Enceladus, and they’re good news for folks who hope to find aliens on Saturn’s icy moon. Cassini discovered geysers shooting out of Enceladus’ south pole back in 2005. The…