Spin the Galex telescope to collect three photons of the same color.
Find out what it is like to blast off on a space shuttle!
Learn how sunlight makes Earth's sky blue.
Make one for this month and find your favorite constellation.
Can you solve all six puzzles?
How fast can you match the STS-132 pictures?› View this interactive feature
Watch this video to find out.
Watch the video to find out!› View This Video
Solve the picture puzzles to learn more about the STS-131 mission.
Help Droplet, the water molecule, as he enters the water cycle and starts his journey home.