“Dark spiders” on the surface of Mars might be explained by seasonal temperature changes that melt surface ice and salt, causing erosion, according to a provocative new theory presented in the August 2006 issue (Volume 6, Number 4) issue of Astrobiology”
Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp... More by Keith Cowing

