News Archives Astrobiology News 20 December 2006 By Keith Cowing December 20, 2006 Oldest animal fossils may have been bacteria, University of Southern California Study Finds the Air Rich with Bacteria, Lawrence Berkeley National Laboratory Mission Status Report: GeneSat-1 Status Report: 19 Dec 2006 12 noon PST (Mission Day 4; Biology Experiment Day 2), NASA Life: porridge would be just right for each universe, Nature Detection of Leonids meteoric dust in the upper atmosphere by polarization measurements of the twilight sky, arXiv.org Keith Cowing SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber. Follow on Twitter