National Aeronautics and Space Administration

Astronautics History icon Astronautics History

Key Documents in the History of Space Policy

NASA Human Spaceflight Programs

Major NASA Planetary Probes

Major NASA Lunar Probes

Major NASA Applications Satellites and Earth Observation Projects

Communications Satellite History

Earth Resources Monitoring History

Weather Satellites

The NASA History Program

Go to NASA Homepage History icon Go to NASA Public Affairs Go to Today@NASA

NASA welcomes comments and questions about our Web site. However, due to the volume of messages we receive and diminishing resources in the Office of Public Affairs, we are unable to answer general questions about NASA and its programs through this link.

The most frequently asked questions about NASA are answered on our Q & A page or by our Fact Sheets. You can also use our search engine. If you have other questions, please write to one of the NASA Public Mail addresses for information. For comments and questions on our Web site, send your e-mail to

For further information, please contact
Curator: SAIC Web Team