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]
Astronaut Peter J. K. (Jeff) Wisoff, mission specialist, is photographed across from the Common Berthing Mechanism (CBM) during one of the four STS-92 sessions of extravehicular activity (EVA). He is watching mating of Z1 truss onto Node 1.