News Archives Astrobiology Science News 11 December 2007 By Keith Cowing December 11, 2007 On The Timescale Forcing in Astrobiology, astro-ph Simulation of the Continuous Spectrum of Substars with Protoplanetary Discs, astro-ph NASA Mars Rover Spirit Investigates Signs of Steamy Martian Past, NASA In search for water on Mars, clues from Antarctica, Ohio State “Follow the Energy” Approach to Guide Exploration for Extraterrestrial Life Forms, Astrobiology Keith Cowing SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber. Follow on Twitter