Bugs in space: can bacteria survive the harsh conditions of space?
http://nai.arc.nasa.gov/astrobio/index.cfm
Why should the particular polymer combinations of Earth reign supreme?
http://nai.arc.nasa.gov/news_stories...tail.cfm?ID=18
Microbes from edge of space revived:
http://www.newscientist.com/news/news.jsp?id=ns99993186
Could Alien Infections Wreak havoc on Earth?
http://www.rednova.com/news/stories/1/2003...1/story001.html