The NTRS is a valuable resource for students, educators, researchers, and the public for access to NASAs current and historical technical literature since it was first released in 1994. NTRS provides access to approximately 500K aerospace related citations, 90K fulltext online documents, and 111K images and videos. NTRS numbers continues to grow over time as new scientific and technical information STI is created or funded by NASA. The type of information found in NTRS include: conference papers, images, journal articles, photos, meeting papers, movies, patents, research reports, and technical videos.

Website: http://ntrs.nasa.gov/search.jsp