Science Information

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APS Journals Homepage 

  • The American Physical Society (APS) is a non-profit organization that has made available “research journals, scientific meetings, and education, outreach, advocacy, and international activities” about physics.
  • “Open access to 1,402,089 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance, Statistics, Electrical Engineering and Systems Science, and Economics.”


Directory of Open Access Journals

  • “DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals. DOAJ is independent. All funding is via donations, 50% of which comes from sponsors and 50% from members and publisher members. All DOAJ services are free of charge including being indexed in DOAJ. All data is freely available.”



  • Offers well-researched information covering all aspects of human impact to the environment.

The Public Library of Science (PLOS)

  • The Public Library of Science (PLOS) is a non-profit organizations that has free journals and articles in the fields of science and medicine.



  • ScienceDirect is an open-source website that has free journals with various topics including medicine, healthcare, biochemical research that are available to anyone to share and view.


  • Science Online offers a comprehensive, curriculum-oriented overview of a broad range of scientific disciplines through extensive essays, diagrams, illustrations, images, BIOGRAPHIES, experiments, activities, and definitions.


Biology and Ecology

Agricola– From the National Agriculture Library (NAL), accesses one of the largest collections of agricultural information in the world.

The Agricultural Network Information Center (AgNIC)– Comes from an organization of more than 60 partners including many prominent agricultural schools.

BiologyBrowser– A website and search engine that uses three primary search fields: Organisms, Subjects, and Geography.

BioOne– An extremely powerful e-journal package and database for the biological sciences.

Entrez Crossdatabase Search– This federated engine searches 32 databases in the life sciences, most of which come from the NLM.

FishBase– Detailed scientific information about fish.

NatureServe– Information about rare and endangered species and threatened ecosystems.

PLANTS Database– Detailed scientific information about plants.

PubMed– The NLM’s search interface for it’s own database of medical information, which is the most comprehensive medical database in the world.

Treesearch– A search engine for publications produced by the U.S. Forest Service. 

Computer Science, Mathematics, and Physical Sciences

The American Chemical Society Publications– A powerful and clean searchinterface for the society’s journals.

The American Mathematical Society (AMS) Directory of Pre-print & E-print Servers– A comprehensive collection of international mathematical pre-print and e-print servers.– An open access site for over 500 thousand e-prints in the subjects of physics, mathematics, computer science, quantitative biology, quantitative finance, and statistics.

The Association for Computing Machinery (ACM) Digital Library– Offers access to every article it has ever published.

CiteSeerx– A search engine & digital library for computer and information science literature, data, algorithms, and software.

IEEE Portal– A portal for engineering literature and information on technology.

Scitation– Coverage is primarily in physics, chemistry, and technological sciences, with some overlap for the biological sciences.

The Smithsonian Astrophysical Observatory (SAO/NASA) Astrophysics Data System– A digital library portal for research.

SPIRES High Energy Physics Literature Database– Integrates various sources and serves as a gateway to all information in the field of high-energy physics.

Zentralblatt MATH– The ZMATH Database comtains around 2.7 million entries in pure and applied mathematics.

Energy, Environment, Geosciences, and Natural Resources

Energy Citations Database– This database provides free access to more than 2 million science research citations and more than 200 thousand electronic documents.

GeoScienceWorld– A collaboration of 6 prominent earth science societies and institutes.

The National Technical Information Service (NTIS)– The largest central research for U.S. government-funded scientific, technical, and engineering research.

ToxNet– A federated search engine provided by the National Library of Medicine (NLM) for coverage of toxicology, hazardous chemicals, environmental health, and toxic releases.

USGS Publications Warehouse– A great resource for geology and related fields.– A cooperative project that offers a specialized and comprehensive array of resources in the area of wilderness studies.

Multidisciplinary Indexes

Annual Reviews– Annual Reviews is a nonprofit scientific publisher that provides indexing to about 45 journal titles.

Cambridge Journals Online– Produced by Cambridge University Press, provides indexing to more than 200 journal titles.

Directory of Open Access Journals (DOAJ)– Hosted and maintained by Lund University Libraries, provides access to more than 4,000 journals.

Highwire Press– Claims to be the largest archive of free full-text science articles.

IngentaConnect– A large index primarily of journal articles from more than 30,000 publications.

OAIster– A union catalog of digital resources with more than 20 million records.

Oxford Journals– Produced by Oxford University Press, provides indexing to more than 200 journal titles.

Sage JournalsSAGE is the world’s 5th largest journals publisher. Our portfolio includes more than 1000 journals spanning the Humanities, Social Sciences, and Science, Technology, and Medicine, and more than 400 are published on behalf of learned societies and institutions.  

ScienceDirect– Produced by Elsevier, the largest publisher of science, technology, and medical information.

SpringerLink– Provides indexing to more than 2,000 journals and 30,000 books.

Wiley Interscience– Content is interdisciplinary across the sciences.

WorldCat– A global catalog of library holdings with more than 135 million bibliographic records.

Science Search Engines– A gateway to government science information and research results.– A global science gateway connecting users to national and international scientific databases and portals.

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