USA.gov for Science searches across 30 databases and more than 1,700 science web sites for government science information. It accesses 47 million science web pages.
National Weather Service The National Weather Service provides weather, climate forecasts, and warnings for the United States. A local forecast can be found by city and state on the site.
U.S. Fish & Wildlife Service Information about wildlife, science, hunting, and conservation.
Threatened and Endangered Wildlife and Plants Locate information about threatened or endangered wildlife and plants in your state.
U.S. Geologic Survey From the home page of the USGS, it is possible to locate USGS information by state.
The Why Files This current, informative, and funny website presents the science behind the news. Includes graphics. For grades 5-8 and 9+.
EPA: United States Environmental Protection Agency Locate information about human health and the natural environment.
Climate Change Information from the EPA on the issue of climate change.
EPA - Office of Pesticide Programs provides valuable information for consumers in the form of Consumer Alerts, fact sheets, and information information about pesticide registration, antimicrobial pesticides, and biopesticides.
NASA Homepage Want to explore space, find out about the stars, the moon, and space science? This is the place to start.
NASA's History Office Need biographical information about NASA personnel or astronauts, then look here.
Integrated Taxonomic Information System You can retrieve information from the ITIS Database by performing a query using either the scientific name, vernacular name, or the TSN (Taxonomic Serial Number).
Plants Database A single source of standardized information about plants. Includes names, checklists, automated tools, identification information, species abstracts, crop information, and plant growth data as well as other plant information.