from nytimes.com: Six months before the space shuttle Challenger exploded over Florida on Jan. 28, 1986, Roger Boisjoly wrote a portentous memo. He..

endeavour launch set; giffords returns for husband’s flight

from usa today: The space shuttle Endeavour stood poised for its final launch Sunday on Kennedy Space Center's launch pad 39A. Endeavour, with..

challenger: ‘obviously, a major malfunction’

In observance of the 25th anniversary of the Shuttle Challenger disaster, the words of NASA public relations officer Steve Nesbitt just over a..