NASA's major responsibilities. 1. scientific research.
2.learn more about Earth.
3.Space probes study the solar system beyond.
4. New developments improve air travel and other aspects of flight.
5.NASA is also beginning a new program to send humans to explore asteroids, Mars and beyond.
In addition to those major missions, NASA does many other things. The agency shares what it learns, so that its information can make life better for people all over the world. For example, companies can use NASA discoveries to create new "spinoff" products.