NASA's international recognition is unquestionable. However, its period of calm in the 2000s and its return to the side of a private company (Space X) have positioned it as an actor in the conquest of space among others. The conquest of space, in its entirety, suffers from a lack of understandingby the general public as to its purpose and usefulness. The conquest of space, in its entirety, suffers from a lack of understanding by the general public about its goal and utility. Its environmental impact and the expenses generated are often questioned by public opinion, particularly for public companies financed by public money. How can we demonstrate that NASA is much more than any other space agency? Because its research and its field of action is much wider than other companies. And its advances, both technological and scientific have, and will have an impact on humanity. In others words : NASA influences humanity.