News Summary Archives Astrobiology Science News 19 December 2007 By Keith Cowing December 19, 2007 Two more active moons around Saturn – Tethys and Dione, ESA Expanding and Improving the Search for Habitable Worlds, astro-ph Adaptive Scheduling Algorithms for Planet Searches, astro-ph Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻 Follow on Twitter