The four astronauts of the final space shuttle mission were greeted by R.E.M. front man Michael Stipe while on board Atlantis. From earth, Stipe sang them part of "Man On The Moon," acapella. He then told them: more ›

Forty years ago today, NASA's Apollo crew went to the moon, with astronauts Buzz Aldrin and Neil Armstrong setting down on the moon's surface while Michael Collins orbited above. NASA has various features on its website, like a real-time replay of the mission. The space agency has also released a montage of the mission (below) and enhanced footage (after the jump): more ›