Unless otherwise noted, images and video on JPL public web sites (public sites ending with a jpl.nasa.gov address) may be used for any purpose without prior permission, subject to the special case.
NASA = National Aeonautics and Space Asministration
JPL = Jet Propulsion Laboratory
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2]
Image: Artist's rendering of Spacecraft Startdust Source: http://stardust.jpl.nasa.gov/images/gallery/sdu_earth.jpg License: http://www.jpl.nasa.gov/images/policy/ JPL Image Policy Unless otherwise noted, images and video on JPL public web sites (publ