News Archives Astrobiology Science News 13 August 2008 By Keith Cowing August 13, 2008 Planetary systems around close binary stars: the case of the very dusty, Sun-like, spectroscopic binary BD+20 307, astro-ph Soil Studies Continue at Phoenix Mars Lander Site, NASA Keith Cowing SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber. Follow on Twitter