Using a quality scholarly article database can dramatically improve your research process. These databases are curated, trustworthy, and often peer-reviewed, ensuring the accuracy and reliability of the information you use. Whether you're writing a thesis, doing a literature review, or conducting an academic project, choosing the right scholarly articles database saves you time and raises the quality of your work. In this guide, we’ve curated and compared the top 20 research databases you should know in 2025. From science to humanities, these databases for research cover a wide range of disciplines and are trusted by universities worldwide.
Database | Focus Area | Access |
---|---|---|
Scopus | Multidisciplinary | Subscription |
Web of Science | Multidisciplinary | Subscription |
PubMed | Biomedical & Life Sciences | Free |
ERIC | Education | Free |
IEEE Xplore | Engineering & Technology | Subscription |
ScienceDirect | Science & Medicine | Subscription |
JSTOR | Humanities & Social Sciences | Subscription |
Google Scholar | Multidisciplinary | Free |
ProQuest | Dissertations, Newspapers, Journals | Subscription |
Academic Search Complete | Multidisciplinary | Subscription |
SpringerLink | Science & Technology | Subscription |
Wiley Online Library | Science, Tech, Medicine | Subscription |
Taylor & Francis Online | Humanities, Social Sciences | Subscription |
SSRN | Social Sciences | Free |
BioMed Central | Biology & Medicine | Free |
PsycINFO | Psychology | Subscription |
OpenDOAR | Open Access Repositories | Free |
BASE | Multidisciplinary | Free |
Directory of Open Access Journals (DOAJ) | Open Access Journals | Free |
Microsoft Academic (Archived) | Multidisciplinary | Archived |
Background:
Scopus, launched by Elsevier in 2004, is one of the largest abstract and citation databases, indexing over 83 million records from scientific journals, books, and conference proceedings worldwide.
Key Features:
Pricing: Subscription-based
Best For: Researchers needing broad multidisciplinary coverage and citation analysis
Visit Scopus
Background:
Established by Clarivate Analytics, Web of Science is a premier research platform offering access to over 21,000 journals across sciences, social sciences, arts, and humanities.
Key Features:
Pricing: Subscription-based
Best For: Researchers requiring authoritative citation data and impact assessment
Visit Web of Science
Background:
Managed by the US National Library of Medicine, PubMed provides free access to over 37 million citations primarily in life sciences and biomedical topics.
Key Features:
Pricing: Free
Best For: Medical students, clinicians, biomedical researchers
Visit PubMed
Need faster and smarter access to biomedical research? PubMed.ai leverages the comprehensive PubMed database to help you retrieve, analyze, and generate research reports effortlessly.
key Features:
1️⃣ AI-Powered Search Summary
PubMed.ai doesn’t just show search results — it extracts and summarizes key points from research papers, so you can grasp the core findings faster without wading through hundreds of abstracts.
2️⃣ Conversational Literature Analysis
You can ask PubMed.ai detailed questions about individual papers or sets of results. It helps break down complex data, highlight key arguments, and provide clearer academic insights, almost like chatting with an expert.
3️⃣ One-Click Research Reports
PubMed.ai can automatically generate structured research reports (PDFs) from your search queries. This helps save time organizing and presenting evidence for papers, proposals, or clinical decisions.
Pricing:Free
Best For: Medical students, clinicians, biomedical researchers
Visit PubMed.ai
Learn more about PubMed.ai and PubMed.
Background:
ERIC is sponsored by the US Department of Education and offers free access to over 1.6 million education-related records, including journal articles, reports, and conference papers.
Key Features:
Pricing: Free
Best For: Educators, students, and researchers in education
Visit ERIC
Background:
IEEE Xplore, by the Institute of Electrical and Electronics Engineers, hosts over 5 million documents in engineering, computer science, and electronics.
Key Features:
Pricing: Subscription-based
Best For: Engineers, computer scientists, and technical researchers
Visit IEEE Xplore
Background:
ScienceDirect, an Elsevier platform, offers access to over 18 million scientific articles and book chapters, primarily in STM (science, technology, medicine).
Key Features:
Pricing: Subscription-based
Best For: STM researchers and academic institutions
Visit ScienceDirect
Background:
JSTOR is a digital library founded in 1995 providing archival and current content from over 2,000 academic journals and books in humanities, social sciences, and sciences.
Key Features:
Pricing: Subscription-based with some free access
Best For: Humanities, social sciences, and interdisciplinary researchers
Visit JSTOR
Background:
Google Scholar is a free, widely used academic search engine indexing scholarly articles, theses, books, abstracts, and court opinions from various sources.
Key Features:
Pricing: Free
Best For: Quick searches and broad academic exploration
Visit Google Scholar
Background:
ProQuest is a comprehensive subscription-based platform providing access to dissertations, theses, newspapers, and scholarly journals in multiple disciplines.
Key Features:
Pricing: Subscription-based
Best For: Graduate students, historians, and social sciences researchers
Visit ProQuest
Background:
EBSCOhost Academic Search Complete offers access to over 9,000 full-text journals and magazines across disciplines, widely used in academic libraries.
Key Features:
Pricing: Subscription-based
Best For: University students and researchers across fields
Visit EBSCOhost
Background:
SpringerLink, launched by Springer Nature (est. 1842), is a leading research platform with over 10 million scientific documents, including journals, books, and protocols, supporting open access and subscription models.
Key Features:
Pricing: Subscription or open access
Best For: Researchers in life sciences, chemistry, engineering, computer science
Visit SpringerLink
Background:
Operated by John Wiley & Sons (founded 1807), Wiley Online Library hosts over 1,600 journals and 22,000 books across disciplines, known for high-impact publications in chemistry and social sciences.
Key Features:
Pricing: Subscription or open access
Best For: Academic institutions and interdisciplinary researchers
Visit Wiley Online Library
Background:
Managed by the American Psychological Association (APA), PsycINFO is the authoritative database in psychology and behavioral sciences, indexing over 4 million records from peer-reviewed journals and dissertations.
Key Features:
Pricing: Subscription (via EBSCO or other providers)
Best For: Psychologists, behavioral scientists, social workers
Visit PsycINFO
Background:
Founded in 2003, DOAJ indexes over 20,000 open access journals from 130+ countries, promoting free, peer-reviewed scientific literature worldwide.
Key Features:
Pricing: Free
Best For: Students, independent researchers, global scholars
Visit DOAJ
Background:
Ovid, provided by Wolters Kluwer, is a premium platform aggregating top medical and clinical resources, including MEDLINE, EMBASE, and Cochrane Library, widely used in healthcare settings.
Key Features:
Pricing: Subscription only
Best For: Clinicians, medical librarians, hospital researchers
Visit Ovid
Background:
arXiv, launched by Cornell University in 1991, is a leading preprint server offering free access to over 2 million scholarly papers in physics, math, computer science, and related fields.
Key Features:
Pricing: Free
Best For: Theoretical researchers, physicists, mathematicians, computer scientists
Visit arXiv
Background:
SSRN, part of Elsevier, hosts over 1.3 million working papers in social sciences, law, and economics, facilitating early research sharing and feedback.
Key Features:
Pricing: Free (registration optional)
Best For: Economists, legal scholars, social scientists
Visit SSRN
Background:
Embase, by Elsevier, is a comprehensive biomedical and pharmacological database with over 36 million records, emphasizing drug research and clinical trial tracking.
Key Features:
Pricing: Institutional subscription
Best For: Pharmacologists, clinical researchers, regulatory agencies
Visit Embase
Background:
OpenAlex is a free, open-source scholarly index with over 250 million records, developed by OurResearch, providing open data on papers, authors, and institutions.
Key Features:
Pricing: Free
Best For: Developers, bibliometricians, open science advocates
Visit OpenAlex
PubMed is widely regarded as the best free database for medical and biomedical research, offering access to over 37 million citations from trusted sources. For enhanced functionality, tools like PubMed.ai combine PubMed’s vast literature with AI-driven features, such as optimized search, automatic summaries, and structured report generation — perfect for medical students, clinicians, and researchers.
Not all databases require a subscription. PubMed, Google Scholar, DOAJ, arXiv, SSRN, OpenDOAR, OpenAlex, and BASE provide free access to scholarly content. However, databases like Scopus, Web of Science, ScienceDirect, JSTOR, and IEEE Xplore generally require institutional or individual subscriptions for full access.
It depends on your field and goals:
Medical & life sciences: PubMed, Embase, Ovid
Engineering & technology: IEEE Xplore, ScienceDirect
Social sciences: JSTOR, SSRN, ProQuest
Multidisciplinary: Scopus, Web of Science, Google Scholar
If you want advanced search support and AI-powered summaries, consider tools like PubMed.ai that enhance traditional databases.
PubMed.ai is built on top of the PubMed database but integrates AI features to improve your research workflow. With PubMed.ai, you can:
Optimize search queries for higher precision
Automatically summarize research papers
Generate ready-to-use reports and citation lists
Save time while maintaining academic rigor
It depends. Some databases (e.g., ScienceDirect, Wiley, SpringerLink) provide full-text access if you or your institution has a subscription. Open access databases (e.g., DOAJ, arXiv, BioMed Central) offer full-text freely. PubMed often provides links to full-text where available, and with PubMed.ai, you can quickly identify articles with accessible full text.
Have a question about medical research, clinical practice, or evidence-based treatment? Access authoritative, real-time insights: PubMed.ai is an AI-Powered Medical Research Assistant.