- AstroMeeting - Stunning amateur photos of the night sky and beyond. Includes auroras, comets, satellites, constellations, planetary nebulae, supernova remnants, and galaxies. (featured in Sep 2004)
- Cities Collection - A collection of outstanding astronaut photography of cities taken during spaceflight. (featured in May 2004)
- Great Images in NASA - Collection of the photographs capturing the history of NASA's space program: human exploration, robotic missions, experimental aircrafts, planetary investigations, and deep space studies. (featured in July 2001)
- NASA Sun-Earth Media Viewer - Live solar images taken in extreme ultra-violet light. Includes illustrations, movies, and visualizations of solar activity. (featured in Feb 2004)
- Starmatt Astrophotography - Matt BenDaniel's color film gallery, specializing in colorful emission nebulae, and featuring star clusters, remnants, galaxies, and more. (featured in June 2001)
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