NASA Astrophysics Data System


NASA-funded project which maintains four bibliographic databases containing more than 8.6 million records: Astronomy and Astrophysics, Instrumentation, Physics and Geophysics, and preprints in Astronomy. Some full-text articles, as well as astronomy preprints, are available, including digitized historical astronomy and astrophysics literature.

Coverage Dates: 
1975 - present