- Google Earth
Google Earth shows 3D overviews of major cities, mountains, and other terrain, as well as driving directions and maps. Also includes Sky, which allows users to view stars and galaxies, and Ocean, which allows users to explore the ocean floor and surface.
- NASA (273)
Learn about the U.S.'s National Aeronautics and Space Administration (NASA). Find photos, video, and information on NASA's robotic and manned space exploration programs.
- National Geographic Society (19)
Learn about the wonders of nature and the world's cultures with National Geographic Society's magazine, TV channel, photography, and educational campaigns sites.
- Internet Archive, The (5)
Find sites related to the Internet Archive, a digital library of Internet sites and other cultural artifacts saved in digital form.
- World Health Organization (WHO) (20)
Lists the United Nations World Health Organization's official site along with sites for its individual divisions and specific programs. Learn about the WHO's international public health efforts.
- National Weather Service (68)
Find National Weather Service (NWS) news, warnings, and forecasts. Also learn about the NWS's National Hurricane Center, Doppler radar, satellite network, and their other weather forecasting services.
- National Oceanic and Atmospheric Administration (NOAA) (170)
Learn about the National Oceanic and Atmospheric Administration's investigation into U.S. and world climates, weather, coasts, oceans, and deep seas. Also find sites for NOAA's National Weather Services, the National Marine Fisheries Service, National Severe Storms Laboratory, and other scientific services.
- Food and Agriculture Organization of the United Nations (FAO) (10)
- American Association for the Advancement of Science (AAAS) (16)
Find the American Association for the Advancement of Science (AAAS) sites for research grants, profession services, and science educational resources along with their weekly journal of research, Science Magazine.
- Science Magazine
Global weekly journal of research which serves the scientific community as a forum for the presentation and discussion of important issues related to the advancement of science.
International weekly journal of science. Nature offers science news, in-depth features, podcasts, and job information.
- U.S. Geological Survey (USGS) (63)
USGS sites focus on biology, geography, geology, geospatial information, and water resources of the U.S. and the world. The U.S. Geological Survey also offers sites monitoring recent earthquake activity and other natural hazards.
- New Scientist
Daily science news, hot topics on some of the current issues facing our world today, plus selected content from the magazine.
- Scientific American
Enhanced versions of print articles, explorations of recent developments in the news, interviews, ask the experts, and much more.
Guiding consumers towards greener, more environmentally responsible and sustainable products.
- National Center for Biotechnology Information (NCBI)
Resource for molecular biology information. Creates public databases, conducts research in computational biology, develops software tools for analyzing genome data, and disseminates biomedical information.
- Exploratorium (7)
Collection of the Exploratorium's online science exhibits, games, and teaching tools. The San Francisco museum introduces children to the life, earth, and space sciences as well as human perception with hands-on exhibits.
- American Society for Testing and Materials (ASTM)
Developer and provider of voluntary consensus standards, related technical information, and services.
Learn about the latest discoveries and current research in all fields of science. See news articles, video, and images covering breakthroughs in biology, the earth sciences, astronomy, physics, and computer science.
- National Institute of Standards and Technology (NIST) (25)