The Agency that was directly responsible for putting a human being on the surface of another heavenly body turns 50 today. I’d write more, but I’m on vacation and there are several other sites that have done the job for me.
NASA’s home page: Courtesy of the U.S. Government
50 years, 50 giant leaps: Courtesy of The Independent, UK
NASA, 50 Years And Beyond: The Smithsonian
50 Years of NASA in Space: The Discovery Channel