Open Access
Description is a free gateway to scientific information produced by the U.S. Federal Government. It offers free access to research and development (R&D) results and scientific and technical information from scientific organizations across 13 federal agencies. It searches over 60 databases and over 2200 selected websites, offering 200 million pages of authoritative U.S. government science information, including full-text documents, citations, scientific data supporting federally funded research, and multimedia. It is updated daily with the most recent scientific information. is governed by the interagency Alliance, which includes the Departments of Agriculture, Commerce, Defense, Education, Energy, Health and Human Services, Homeland Security, and Transportation; the Environmental Protection Agency, the National Aeronautics and Space Administration, the National Science Foundation, and the U.S. Government Publishing Office.

Dates covered

Historical and current scientific research.

Resource types
U.S. government agencies