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Astronomy & Astrophysics

Technical Reports

  • National Technical Reports Library (NTRL)
    NTRL (National Technical Reports Library) is from the National Technical Information Service (NTIS). NTRL indexes government-sponsored research, development and technical reports and provides full-text access to reports that have been digitized.
  • SciTech Connect (U.S. Department of Energy)
  • SciTech Connect consolidates the contents of OSTI’s Information Bridge and Energy Citations Database. Provides free public access to over 230,000 full-text documents and bibliographic citations of Department of Energy (DOE) research report literature.  Documents are primarily from 1991-present and were produced by DOE, the DOE contractor community, and/or DOE grantees.
  • NASA Technical Reports Server (NTRS)
    NTRS provides access to planetary science-related citations, full-text online documents, and images and videos. The types of information include: conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos – scientific and technical information (STI) created or funded by NASA.
  • Defense Technical Information Center (DTIC)
    DTIC helps the Department of Defense (DoD) community access pertinent scientific and technical information to meet mission needs more effectively.
  • Technical Report Archive and Image Library (TRAIL)
    A collaborative project to digitize, archive, and provide persistent and unrestricted access to federal technical reports issued prior to 1975.

Government Publications

  • OSTI (U.S. Department of Energy)
    OSTI’s Information Bridge and Energy Citations Database. Provides free public access to over 230,000 full-text documents and bibliographic citations of Department of Energy (DOE) research report literature.  Documents are primarily from 1991-present and were produced by DOE, the DOE contractor community, and/or DOE grantees.
  • Science.gov 
    Searches over 60 databases and over 2200 selected websites from 15 federal agencies, offering 200 million pages of authoritative U.S. government science information including research and development results.