PBS
Pbs Newshour Extra: Space Shuttle Challenger Tragedy
To commemorate the 25th anniversary of the explosion of the Challenger, PBS provides an article that describes the repercussions of the disaster.
Curated OER
National Park Service: America's Space Program Exploring a New Frontier
This site includes a instructional activity for teachers to use when teaching about America's space program. Also included is the history of the space program, maps, readings, images of the space program, and benefits that resulted from...
NASA
Nasa Space Science Data Archive: Lunar Exploration Timeline
Available in both HTML and Shockwave formats, this site is a visual timeline of US, Soviet, and Japanese Lunar exploration. Each point of the timeline links to text information about that spacecraft and mission.
Mangahigh
Mangahigh: Transtar: Reflections, Rotations, Dilations and Translations
For this geometry game, students must guide Transtar, an alien spaceship, across space by applying transformations to it. At the same time, there are dangers to avoid and the number of moves and tries are limited.