News Summary Archives Astrobiology Science News 22 July 2008 By Keith Cowing July 22, 2008 Color Gradients Detected in the HD 15115 Circumstellar Disk, astro-ph Search for Alien Life Gains New Impetus, Washington Post Barely Alive, Seafloor Microbes Might Resemble Exo-Organisms, Wired Microbes beneath sea floor genetically distinct, Penn State 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