News Archives Astrobiology News 16 February 2007 By Keith Cowing February 16, 2007 Hunting martian fossils best bet for locating Mars life, says ASU researcher, Arizona State University Debating Evidence for the Origin of Life on Earth, Science Fracture-Controlled Paleo-Fluid Flow in Candor Chasma, Mars, Science Keith Cowing SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber. Follow on Twitter