Cosmic Ancestry: The Modern Version of Panspermia - The Cosmic Ancestry hypothesis - about which this site has a large amount of information - treats all of evolution, not just the origin of life on Earth, as due to interaction with cosmic microorganisms. www.panspermia.org
ET Presence - Information, articles, and images. www.et-presence.ndirect.co.uk
Panspermia Revisited - Short scientific article by John R. Gribbin. "Spreading of life-bearing spores across the Galaxy (panspermia) may be easier than is usually acknowledged." xxx.lanl.gov/abs/astro-ph/9909013
Search for ET! - Interactive Flash tutorial exploring the possibility of and search for life on other worlds. s-kurukuru.jst.go.jp/room/06/et_e/index_e.htm
The Planetary Society - A nonprofit organization devoted to the exploration of the solar system and the search for extraterrestrial life. www.planetary.org
