News Archives Astrobiology Science News 4 October 2007 By Keith Cowing October 4, 2007 Habitability of Planets in Binaries, arXiv.org Inevitability of Plate Tectonics on Super-Earths, arXiv.org Prof finds mineral in B.C. that may also exist on Mars, Vancouver Sun Circumstellar Dust Created by Terrestrial Planet Formation in HD 113766 Keith Cowing SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber. Follow on Twitter