The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for the nation's civilian space program and for aeronautics and aerospace research. Established in 1958, NASA has been at the forefront of space exploration, conducting missions that have expanded our understanding of the universe. NASA's notable achievements include the Apollo moon-landing missions, the Space Shuttle program, and the ongoing Mars exploration missions. Through innovative technology and scientific research, NASA continues to inspire future generations and push the boundaries of human knowledge in space and aeronautics.