News Archives Astrobiology News 23 February 2007 By Keith Cowing February 23, 2007 The mid-infrared spectrum of the transiting exoplanet HD 209458b, arXiv.org Stardust findings favor not only the planetary origin of comets but the underlying close-binary cosmogony of the Solar system as well, arXiv.org Scientists Weigh the Livability of Mars, NPR Oceans: Climate Drives Sea Change, Science Keith Cowing SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber. Follow on Twitter