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STEM Data Repositories and Data Sets

Guide to open data repositories in STEM fields, and to finding open data and data sets

Finding U.S. Government Data

Using Google to Find Government Datasets

Conduct a site-specific search in Google using the URL pattern site:data.*.gov 

Example: The Google search "hypersonic site:data.*.gov" returned 218 U.S. Government data sites with the keyword "hypersonic" on October 19, 2021.

Application Programming Interfaces (API) to Government Data

U.S. Government Agency Data Catalogs

While much of this data may be found through, you can search these agency catalogs directly.

Substantially adopted, with some additions, from Table 14.1 in the book Mastering United States Government Information: Sources and Services, by Christopher C. Brown.

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