A NASA-funded project that includes peer-reviewed and pre-print articles in Astronomy and Astrophysics, Instrumentation, Physics and Geophysics, and all arXiv e-prints.
Peer-reviewed articles on physics and related topics from the American Institute of Physics (AIP).
Peer-reviewed articles on physics and related topics. Includes all American Physical Society Journals.
Peer-reviewed research articles, conference proceedings, preprints, and news from the UK Institute of Physics (IOP).