"We have contact with alien cultures."
--Dr. Brian O'leary an American scientist and a former NASA astronaut and the deputy team leader for NASA's Mariner 10 Venus-Mercury television science team.
"In my official status, I cannot comment on ET contact. However, personally, I can assure you, we are not alone!
--Charles J. Camarda, an engineer and U.S. astronaut who flew his first mission into space onboard the NASA Space Shuttle mission STS-114.
Source - DailyGalaxy http://www.dailygalaxy.com/my_weblog/2010/06/you-couldnt-make-this-up-dept-nasa-astronauts-on-extraterrestrial-life.html