- American Society of Cell Biology
- This Image and Video Library is a growing collection of images, videos, and digital texts that illustrate the structure, function and biology of the cell.
- Encyclopedia of Earth
- An electronic reference about the Earth, its natural environments, and their interaction with society.
- Encyclopedia of Life images
- a Flickr group
- Encyclopedia of Life
- A global effort by leading scientific institutions to document all 1.8 million named species of animals, plants, and other forms of life on Earth.
- Great Images in NASA
- GRIN is a collection of over a thousand images of significant historical interest scanned at high-resolution in several sizes. This collection is intended for the media, publishers, and the general public looking for high-quality photographs.
- Historical Anatomies On The Web
- A digital project designed to give Internet users access to high quality images from important anatomical atlases in the National Library of Medicine's collection.
- Library of Images From the Environment
- Serving well-documented images of nature contributed by individuals and organizations.
- NASA Image Gallery
- Images s of NASA missions and ongoing projects.
- National Oceanic and Atmospheric Administration Photo Library
- The NOAA Photo Library has been built to capture the work, observations, and studies that are carried on by the scientists, engineers, commissioned officers, and administrative personnel that make up this complex and scientifically diverse agency.
- Public Health Image Library
- PHIL offers an organized, universal electronic gateway to the Center for Disease Control's pictures.
- Smithsonian Science Services Historical Image Collection
- This collection represents twentieth-century scientific research consisting of images and original captions as they appeared in period publications.
- USGS Newsroom (Biology, Ecosystems, Geology, Geography, and More)
- The USGS Multimedia Gallery is our one-stop collection of videos, photography, and other imagery. All items in this gallery are considered public domain.
- Wellcome Trust
- Wellcome Images is one of the world's richest and most unique collections, with themes ranging from medical and social history to contemporary healthcare and biomedical science.
