Astronomy

Repository of electronic preprints (known as e-prints) approved for publication after moderation, that consists of scientific papers in the fields of mathematics, physics, astronomy, computer science, quantitative biology, statistics, and quantitative finance.

Abstracting service offering a search interface into the scientific and technical literature covering astronomy, planetary science, physics, and the arXiv e-prints.

An index and full text database featuring subjects such as astronomy, biology, botany, chemistry, conservation, health & medicine, oceanography, physics, zoology and more.
Indexing from 1984 to present, full text from 1995 to present.

Clarivate Analytics' premier citation databases in the sciences (physical, life and social) and arts & humanities. Search for articles that cite a known author or work or by standard search queries. Covers 1864 to the present.