Scientists have yet to discover what caused the strange spiral structure. Nor do they know why it glows. The glow…
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.
This image from testing of ChemCam shows a ball of luminous plasma erupting from the surface of an iron pyrite…
This photograph shows the Laser Ranging Facility at the Geophysical and Astronomical Observatory at NASA's Goddard Space Flight Center in…
Lightning lights up the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida during thunderstorms on Monday, Sept. 27,…
The Soyuz TMA-18 spacecraft is seen as it lands with Expedition 24 Commander Alexander Skvortsov and Flight Engineers Tracy Caldwell…
This false-color composite image, constructed from data obtained by NASA's Cassini spacecraft, shows Saturn's rings and southern hemisphere. The composite…
