NASA
Nasa: Students K 4
NASA-sponsored coverage and research on a range of topics related to space exploration -- flying weather stations, comets, first steps on the Moon, and other space-related topics -- are presented in age-appropriate activities, lesson...
PBS
Pbs Teachers: Supersonic Dream: Anatomy of Concorde
Examine the features of Concorde that were designed and engineered for high-altitude, supersonic flight by exploring this detailed, interactive cross section.
BBC
Bbc: Were Lost Tiles to Blame?
From February 2003, a Q&A discussing damaged tiles and other problems that the Space Shuttle Columbia faced during its re-entry and subsequent explosion.
NPR: National Public Radio
Npr: A Small Step to the Moon, a Giant Leap to Mars
Read the article or listen to the story of remembrances of the Apollo program, especially Apollo 11. Explains some of the challenges of sending astronauts to Mars.
Wikimedia
Wikipedia: Voskhod
A description of the Voskhod spacecraft along with a listing of the Voskhod flights that occurred and ones that were cancelled.