Forty years ago humans set foot on the moon for the first time during the Apollo 11 mission. Read more historical facts in This Month in Exploration.
Forty years ago humans set foot on the moon for the first time during the Apollo 11 mission. Read more historical facts in This Month in Exploration.
Ten years ago space shuttle Discovery astronauts released a spherical satellite studded with 878 tiny mirrors. Find out what else happened this month in exploration history.
Forty years ago Apollo 10 launched from Kennedy Space Center on a test mission. Read more historical facts in This Month in Exploration.
View this collection of historical images.
Search NASA's online multimedia collections.
Search NASA's other image galleries.
Documents NASA's accomplishments in research, science and technology.
NASA's Mission Directorate responsible for developing the capabilities and supporting research and technology that will enable sustained and affordable human and robotic exploration.
NASA anniversary dates archived in a calendar format.