History changed on Oct. 4, 1957, when the Soviet Union successfully launched Sputnik I, the world’s first artificial satellite. About…
Artist Michael Benson, left, talks with Dr. James Green, Director, Planetary Science, NASA Headquarters, in front of images of Mars…
NASA’s first administrator T. Keith Glennan shows then-Senator Lyndon B. Johnson, Chairman of the Senate’s Aeronautical and Space Sciences Committee,…
A beautiful new image of two colliding galaxies has been released by NASA’s Great Observatories.
