Freeze-thaw cycle may explain Saturn moon's odd activity

newscientist.com — If there is life on Saturn's bizarre, water-spewing moon Enceladus, it's about to spend a lot of time in the freezer. A perpetual cycle of melting and refreezing may offer the best explanation for why Enceladus seems so active today. For any potential life on Enceladus, "it's boom and bust". May 29, 2009 View in Crawl 4