Two halves of NASA merge at half-century http://www.msnbc.msn.com/id/26948872/ NASA at 50: Johnson Space Center being put to the test http://www.chron.com/disp/story.mpl/headline/metro/6028850.html 50 Years in Space: NASA's Roadmap to 2058 http://www.space.com/news/081001-nasa50-road-ahead.html The Hubble Space Telescope [Real Player, Macromedia Flash...