Research Guides: Science: Images

Science.gov

Science.gov Image Collection searches the metadata from images of 3 federal agencies:

NASA Image Galleries
Searches multimedia collections, including images of space flight wind tunnel, solar system, aircraft, & education initiatives.
NOAA Photo Gallery
A collection spanning centuries of time and much of the natural world from the center of the earth to the surface of the sun. Includes weather and space images, images of shore and coastal seas and of thousands of marine species.
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National Oceanic and Atmospheric Administration (NOAA) Photo Library

(Image source: crh.NOAA.gov)