Annual Review of Astronomy and Astrophysics covers the significant developments in the field of Astronomy and Astrophysics, including: the sun; solar system and extrasolar planets; stars; the interstellar medium; galaxy and galaxies; active galactic nuclei; cosmology; and instrumentation and techniques, and the history of the development of new areas of research.

arXiv s a highly-automated electronic archive and distribution server for research articles. arXiv is an e-print service in the fields of physics, mathematics, non-linear science, computer science, quantitative biology, quantitative finance and statistics.

JSTOR (Journal Storage) is a digital library that provides online access to academic journals, books, and primary sources in the arts, humanities, and social sciences. It is a trusted source for scholarly research and provides access to over 6,000 academic journals, more than 2 million images, and over a thousand books. The platform has a user-friendly interface that makes it easy to search and access high-quality, peer-reviewed content. JSTOR also features advanced tools for research and discovery, including citation analysis and alerts for new content. It is a valuable resource for scholars, students, and researchers in the academic community.

Web of Science provides access to Science Citation Index, Social Science Citation Index, and Arts and Humanities Citation Index.