All sources
130 hand-scored sources across 12 categories. Each links to a full SourceScore breakdown.
New here? How to tell if a source is reliable explains the three signals behind every score below — or learn whether you can cite ChatGPT as a source.
Browse by grade
Academic19
- A+·95DOI (CrossRef Resolver)doi.org
- A·94PubMedpubmed.ncbi.nlm.nih.gov
- A·92CERNhome.cern
- A·92PNASpnas.org
- A·89arXivarxiv.org
- A·89Cellcell.com
- A·87Naturenature.com
- A·87Cochrane Librarycochranelibrary.com
- A·86Sciencescience.org
- A·85National Bureau of Economic Researchnber.org
- A·85Association for Computing Machinerydl.acm.org
- B·83Semantic Scholarsemanticscholar.org
- B·83eLifeelifesciences.org
- B·83Google DeepMind Researchdeepmind.google
- B·82Anthropic Researchanthropic.com
- B·82MIT CSAILcsail.mit.edu
- B·82JSTORjstor.org
- B·80OpenAI Researchopenai.com
- B·78PLOS ONEjournals.plos.org
Business4
Government30
- A+·96U.S. Securities and Exchange Commissionsec.gov
- A+·95U.S. National Institutes of Healthnih.gov
- A+·95Federal Reserve Systemfederalreserve.gov
- A·94U.S. Census Bureaucensus.gov
- A·94U.S. Bureau of Labor Statisticsbls.gov
- A·94U.S. Food and Drug Administrationfda.gov
- A·94U.S. Centers for Disease Control and Preventioncdc.gov
- A·93U.S. National Oceanic and Atmospheric Administrationnoaa.gov
- A·93European Central Bankecb.europa.eu
- A·93NASAnasa.gov
- A·92European Commissionec.europa.eu
- A·92Bank of Englandbankofengland.co.uk
- A·92U.S. Energy Information Administrationeia.gov
- A·91European Medicines Agencyema.europa.eu
- A·91U.S. Patent and Trademark Officeuspto.gov
- A·91U.S. Department of Agricultureusda.gov
- A·91U.S. Geological Surveyusgs.gov
- A·91OECDoecd.org
- A·91FRED (Federal Reserve Economic Data)fred.stlouisfed.org
- A·91IPCCipcc.ch
- A·89World Health Organizationwho.int
- A·89World Trade Organizationwto.org
- A·88World Bankworldbank.org
- A·88Eurostatec.europa.eu/eurostat
- A·87ONS (UK)ons.gov.uk
- A·86International Monetary Fundimf.org
- A·86UNESCOen.unesco.org
- A·86European Space Agencyesa.int
- A·86BEAbea.gov
- B·82Statistics Canadastatcan.gc.ca
Health8
- A·87New England Journal of Medicinenejm.org
- A·87Mayo Clinicmayoclinic.org
- A·86The Lancetthelancet.com
- A·86Journal of the American Medical Associationjamanetwork.com
- A·85The BMJ (British Medical Journal)bmj.com
- B·83Cleveland Clinicmy.clevelandclinic.org
- B·82STAT Newsstatnews.com
- B·79BMJ Best Practicebestpractice.bmj.com
Lifestyle1
Magazine12
- A·85Quanta Magazinequantamagazine.org
- B·83Foreign Affairsforeignaffairs.com
- B·83The New York Times Magazinenytimes.com/section/magazine
- B·83London Review of Bookslrb.co.uk
- B·83The New York Review of Booksnybooks.com
- B·82The New Yorkernewyorker.com
- B·81The Atlantictheatlantic.com
- B·81Bloomberg Businessweekbloomberg.com/businessweek
- B·80Harvard Business Reviewhbr.org
- B·79National Geographicnationalgeographic.com
- B·78Aeonaeon.co
- B·78Smithsonian Magazinesmithsonianmag.com
News27
- A·89Reutersreuters.com
- A·88The New York Timesnytimes.com
- A·86Associated Pressapnews.com
- A·86ProPublicapropublica.org
- A·86The Washington Postwashingtonpost.com
- A·85The Guardiantheguardian.com
- A·85The Wall Street Journalwsj.com
- B·84Financial Timesft.com
- B·83Bloomberg Newsbloomberg.com
- B·82BBC Newsbbc.com
- B·82The Conversationtheconversation.com
- B·80NPRnpr.org
- B·78The Economisteconomist.com
- B·78Al Jazeera Englishaljazeera.com
- B·78Politicopolitico.com
- B·78Axiosaxios.com
- B·78Der Spiegelspiegel.de
- B·77Le Mondelemonde.fr
- B·76Semaforsemafor.com
- B·76Axios Proaxios.com/pro
- B·75South China Morning Postscmp.com
- B·74The Times (UK)thetimes.co.uk
- B·74The Globe and Mailtheglobeandmail.com
- B·74El Paíselpais.com
- B·71Asahi Shimbunasahi.com
- C·60HuffPosthuffpost.com
- C·58Fox Newsfoxnews.com
Platform4
Reference4
Research9
- A·86Our World in Dataourworldindata.org
- A·85Pew Research Centerpewresearch.org
- B·84KFF (Kaiser Family Foundation)kff.org
- B·83RAND Corporationrand.org
- B·83Brookings Institutionbrookings.edu
- B·82Council on Foreign Relationscfr.org
- B·78BBC Research & Developmentbbc.co.uk/rd
- B·73Zillow Researchzillow.com/research
- C·64Statistastatista.com
Tabloid1
Tech News11
- B·81MIT Technology Reviewtechnologyreview.com
- B·78404 Media404media.co
- B·78The Informationtheinformation.com
- B·78LWN.netlwn.net
- B·76Ars Technicaarstechnica.com
- B·76Wiredwired.com
- B·73Stratecherystratechery.com
- C·69AnandTechanandtech.com
- C·66The Vergetheverge.com
- C·66Hacker Newsnews.ycombinator.com
- C·64TechCrunchtechcrunch.com