Spaceflight history · Beginner
The Apollo program
How we reached the Moon—and what we learned there.
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No prerequisites · Learn at your own pace
AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
AstronautAtlas
Learn the story of spaceflightLoading AstronautAtlas records
Programs, people & discoveries
Explore 34 courses and 160 connected lessons. Start with a program that interests you, then follow its links into science, engineering, and history.
Some courses compare several programs or follow shared projects. Each keeps its own lesson sequence and suggested preparation.
34 courses to explore
Spaceflight history · Beginner
How we reached the Moon—and what we learned there.
No prerequisites · Learn at your own pace
Space programs and missions · Beginner to Intermediate
Proving that people could fly in orbit—and come home
Suggested preparation is listed in the course · Start whenever you’re ready
Space programs and missions · Beginner to Intermediate
Learning to meet, work and stay in space
Suggested preparation is listed in the course · Start whenever you’re ready
Space programs and missions · Beginner to Intermediate
Building, rescuing and using America’s first space station
Suggested preparation is listed in the course · Start whenever you’re ready
Space programs and missions · Beginner to Intermediate
A reusable spacecraft, an orbital workplace and a difficult safety legacy
Suggested preparation is listed in the course · Start whenever you’re ready
Space programs and missions · Beginner to Intermediate
From the first test flights to the work of returning to the Moon
Suggested preparation is listed in the course · Start whenever you’re ready
Space programs and missions · Beginner to Intermediate
A shared doorway between rivals
Suggested preparation is listed in the course · Start whenever you’re ready
Space programs and missions · Beginner to Intermediate
Learning to share a long stay in orbit
Suggested preparation is listed in the course · Start whenever you’re ready
Space programs and missions · Beginner to Intermediate
Building and sustaining a shared orbital laboratory
Suggested preparation is listed in the course · Start whenever you’re ready
Space programs and missions · Beginner to Intermediate
From development tests to a continuing ride home
Suggested preparation is listed in the course · Start whenever you’re ready
Space programs and missions · Beginner to Intermediate
Delivering what an orbital laboratory actually needs
Suggested preparation is listed in the course · Start whenever you’re ready
Space programs and missions · Beginner to Intermediate
From development milestones to a working cargo capability
Suggested preparation is listed in the course · Start whenever you’re ready