NASA project, provides indexes to research publications in astronomy and astrophysics/planetary sciences/solar physics; instrumentation; physics and geophysics; and the Los Alamos preprint server. Sources include journals, conference proceedings, NASA reports, and dissertations. Searching is by author, object name (astronomy), title, words in the abstract, or journal citation. Links to online abstracts and journal articles, and extensive set of scanned journal and proceedings papers. Also provides access to NED (NASA/IPAC Extragalactic Database) and SIMBAD (Set of Identifications, Measurements, and Bibliography for Astronomical Data). Other functions include a table-of-contents service for over 20 journals, links to cited and citing articles, and scanned copies of selected books and observatory reports.