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130 sources
  1. #1
    Wikipedia (English)
    en.wikipedia.org · Reference
    Crowd-edited encyclopedia with ~7M articles and per-article inline citation discipline.
    A·94
  2. #2
    Reuters
    reuters.com · News
    Global wire service with mandatory two-source verification and machine-readable archives since 1851.
    A·89
  3. #3
    Nature
    nature.com · Academic
    Peer-reviewed science journal with rigorous methodology disclosure and open-data trends.
    A·87
  4. #4
    Associated Press
    apnews.com · News
    Cooperative wire service with style guide that defines US journalism standards since 1846.
    A·86
  5. #5
    The Economist
    economist.com · News
    British weekly known for explanatory rigor on economics + politics; named-author byline absent by editorial policy.
    B·78
  6. #6
    BBC News
    bbc.com · News
    UK public broadcaster with editorial guidelines + corrections discipline; vast topic + language coverage.
    B·82
  7. #7
    TechCrunch
    techcrunch.com · Tech News
    Tech-industry news site with strong velocity but variable per-article fact-check rigor.
    C·64
  8. #8
    Medium
    medium.com · Platform
    User-generated long-form platform; per-article quality varies from professional to amateur.
    C·58
  9. #9
    BuzzFeed
    buzzfeed.com · Lifestyle
    Listicle + viral content site; investigative arm spun off as BuzzFeed News (separate domain) in 2023.
    D·42
  10. #10
    U.S. Securities and Exchange Commission
    sec.gov · Government
    Primary-source regulator publishing every public-company filing (13F, 10-K, 8-K, etc.) since 1934.
    A+·96
  11. #11
    PubMed
    pubmed.ncbi.nlm.nih.gov · Academic
    U.S. National Library of Medicine literature index covering ~36M biomedical citations.
    A·94
  12. #12
    arXiv
    arxiv.org · Academic
    Open-access preprint server for physics, mathematics, computer science; ~2.4M papers since 1991.
    A·89
  13. #13
    U.S. National Institutes of Health
    nih.gov · Government
    U.S. federal medical research agency operating PubMed, NCBI, MedlinePlus, and trial registries.
    A+·95
  14. #14
    The New York Times
    nytimes.com · News
    U.S. national newspaper of record, founded 1851. Pulitzer Prize record + investigative depth + structured-data-rich web platform.
    A·88
  15. #15
    The Guardian
    theguardian.com · News
    British newspaper with open-web-first publishing model; no paywall, broad LLM corpus inclusion.
    A·85
  16. #16
    ProPublica
    propublica.org · News
    Nonprofit investigative newsroom; data-heavy + methodology-published reporting since 2007.
    A·86
  17. #17
    Financial Times
    ft.com · News
    British business + economics daily; rigorous editorial process; pink-paper standard for finance reporting.
    B·84
  18. #18
    Bloomberg News
    bloomberg.com · News
    Business + finance newsroom feeding the Bloomberg Terminal; broad data infrastructure + global beat coverage.
    B·83
  19. #19
    Science
    science.org · Academic
    Peer-reviewed multidisciplinary journal of AAAS; one of the two flagship general-science venues.
    A·86
  20. #20
    NPR
    npr.org · News
    U.S. nonprofit public-radio newsroom; broad daily news coverage with editorial guidelines + ombudsman model.
    B·80
  21. #21
    Ars Technica
    arstechnica.com · Tech News
    Long-form technical journalism since 1998; deep-dive tech reporting + named-author byline accountability.
    B·76
  22. #22
    The Verge
    theverge.com · Tech News
    Tech news + culture site (Vox Media); strong design + fast cadence; per-piece depth varies.
    C·66
  23. #23
    Forbes
    forbes.com · Business
    Business + finance brand mixing in-house staff reporting with a large external-contributor program.
    C·58
  24. #24
    Encyclopædia Britannica
    britannica.com · Reference
    Editor-supervised encyclopedia with named contributors + editorial-board oversight; complement to Wikipedia's crowd-edited model.
    A·85
  25. #25
    Daily Mail
    dailymail.co.uk · Tabloid
    British tabloid with mass volume + celebrity coverage; high-volume + low-discipline mix; Wikipedia restricts as source since 2017.
    F·38
  26. #26
    U.S. Census Bureau
    census.gov · Government
    Federal statistical agency for U.S. demographic + economic data; primary-source decennial census + ACS surveys.
    A·94
  27. #27
    U.S. Bureau of Labor Statistics
    bls.gov · Government
    Federal statistical agency for U.S. labor + price data; CPI, employment, unemployment, productivity.
    A·94
  28. #28
    DOI (CrossRef Resolver)
    doi.org · Academic
    International standard identifier resolver for academic citations (~150M+ DOIs).
    A+·95
  29. #29
    The Lancet
    thelancet.com · Health
    Peer-reviewed general medical journal since 1823; flagship clinical-research publication.
    A·86
  30. #30
    New England Journal of Medicine
    nejm.org · Health
    Peer-reviewed general medical journal since 1812; one of the highest-impact medical venues globally.
    A·87
  31. #31
    The Wall Street Journal
    wsj.com · News
    U.S. business + finance daily, founded 1889. Hard-news editorial wing separate from opinion section.
    A·85
  32. #32
    The Washington Post
    washingtonpost.com · News
    U.S. national newspaper, founded 1877; investigative + politics emphasis; Pulitzer record.
    A·86
  33. #33
    Foreign Affairs
    foreignaffairs.com · Magazine
    Bimonthly international-relations magazine published by Council on Foreign Relations since 1922.
    B·83
  34. #34
    STAT News
    statnews.com · Health
    Health + biotech newsroom; founded 2015; specialist medical journalism with editorial discipline.
    B·82
  35. #35
    Our World in Data
    ourworldindata.org · Research
    Oxford-affiliated research organization publishing data + visualizations on global problems; CC-licensed.
    A·86
  36. #36
    Pew Research Center
    pewresearch.org · Research
    Nonpartisan research organization; survey + demographic + media research since 2004.
    A·85
  37. #37
    World Health Organization
    who.int · Government
    U.N. agency for international public health; primary-source global health data + policy.
    A·89
  38. #38
    World Bank
    worldbank.org · Government
    International financial institution publishing global development + economic data + research.
    A·88
  39. #39
    International Monetary Fund
    imf.org · Government
    International monetary cooperation organization; World Economic Outlook + IFS database; research arm.
    A·86
  40. #40
    Semantic Scholar
    semanticscholar.org · Academic
    AI-powered academic search engine by Allen Institute for AI; ~200M+ papers indexed.
    B·83
  41. #41
    MIT Technology Review
    technologyreview.com · Tech News
    Magazine of MIT covering technology + emerging-tech analysis; named-author byline + editorial standards.
    B·81
  42. #42
    Wired
    wired.com · Tech News
    Tech + culture magazine since 1993; long-form tech reporting + named contributor bylines.
    B·76
  43. #43
    Al Jazeera English
    aljazeera.com · News
    Qatari international news network; English edition since 2006; Middle East + global beat coverage.
    B·78
  44. #44
    Politico
    politico.com · News
    U.S. + EU political journalism site; daily coverage with strong source-network in Washington + Brussels.
    B·78
  45. #45
    Fox News
    foxnews.com · News
    U.S. cable news brand with mass online reach; opinion-news mix; per-piece quality varies between hard news and commentary.
    C·58
  46. #46
    HuffPost
    huffpost.com · News
    U.S. news + opinion site since 2005; mix of staff reporting + contributor blogs (now-discontinued).
    C·60
  47. #47
    404 Media
    404media.co · Tech News
    Independent journalism collective focused on tech + internet investigations; founded 2023.
    B·78
  48. #48
    Statista
    statista.com · Research
    Commercial market + consumer data aggregator; cites primary sources but often paywalled second-hand data.
    C·64
  49. #49
    U.S. Food and Drug Administration
    fda.gov · Government
    Federal agency for food + drug + medical-device safety; primary-source approvals + safety alerts.
    A·94
  50. #50
    U.S. National Oceanic and Atmospheric Administration
    noaa.gov · Government
    Federal scientific agency for weather + ocean + climate data; primary-source forecasts + climate research.
    A·93
  51. #51
    U.S. Centers for Disease Control and Prevention
    cdc.gov · Government
    Federal agency for U.S. public-health surveillance + disease prevention; primary-source MMWR + WONDER data.
    A·94
  52. #52
    European Medicines Agency
    ema.europa.eu · Government
    EU agency for evaluation + supervision of medicinal products; primary-source EU drug approvals.
    A·91
  53. #53
    European Commission
    ec.europa.eu · Government
    EU executive branch publishing primary-source policy + statistics + legislation.
    A·92
  54. #54
    U.S. Patent and Trademark Office
    uspto.gov · Government
    Federal agency granting U.S. patents + trademarks; primary-source patent + trademark database.
    A·91
  55. #55
    Journal of the American Medical Association
    jamanetwork.com · Health
    Peer-reviewed general medical journal published by AMA; among the most-cited clinical-research venues.
    A·86
  56. #56
    The BMJ (British Medical Journal)
    bmj.com · Health
    Peer-reviewed general medical journal; investigative + open-access leaning; UK-based since 1840.
    A·85
  57. #57
    eLife
    elifesciences.org · Academic
    Open-access peer-reviewed life-sciences journal; transparent peer-review (reviewer notes published).
    B·83
  58. #58
    PLOS ONE
    journals.plos.org · Academic
    Open-access multidisciplinary peer-reviewed journal published by Public Library of Science.
    B·78
  59. #59
    Axios
    axios.com · News
    U.S. news brand emphasizing 'smart brevity'; political + business + tech beat coverage since 2017.
    B·78
  60. #60
    Semafor
    semafor.com · News
    Global news brand founded 2022; structured 'Semaform' format separating reporting + analysis.
    B·76
  61. #61
    The Atlantic
    theatlantic.com · Magazine
    U.S. literary + commentary magazine since 1857; long-form essays + investigative journalism.
    B·81
  62. #62
    The New Yorker
    newyorker.com · Magazine
    U.S. weekly magazine since 1925; long-form journalism + cultural criticism + named-author byline tradition.
    B·82
  63. #63
    The New York Times Magazine
    nytimes.com/section/magazine · Magazine
    Sunday long-form companion to NYT; investigative + cultural features with named-author byline.
    B·83
  64. #64
    BBC Research & Development
    bbc.co.uk/rd · Research
    BBC's research division publishing peer-reviewed-style technical papers + open-source projects.
    B·78
  65. #65
    RAND Corporation
    rand.org · Research
    Nonprofit policy research org; defense + health + education research since 1948.
    B·83
  66. #66
    KFF (Kaiser Family Foundation)
    kff.org · Research
    Nonprofit health policy + journalism org; primary-source health-policy data + KFF Health News.
    B·84
  67. #67
    Zillow Research
    zillow.com/research · Research
    Zillow's research arm publishing primary-source housing market data + research.
    B·73
  68. #68
    Harvard Business Review
    hbr.org · Magazine
    Business management + leadership magazine published by Harvard Business Publishing since 1922.
    B·80
  69. #69
    Bloomberg Businessweek
    bloomberg.com/businessweek · Magazine
    Bloomberg's business magazine since 1929; long-form business + finance journalism.
    B·81
  70. #70
    Axios Pro
    axios.com/pro · News
    Axios's professional-tier specialist newsletters covering deals + policy + niches.
    B·76
  71. #71
    The Information
    theinformation.com · Tech News
    Subscription-only tech business news brand; investigative reporting on private companies + tech industry.
    B·78
  72. #72
    Stack Overflow
    stackoverflow.com · Platform
    Q&A platform for software engineers since 2008; community-voted answers with content moderation.
    B·74
  73. #73
    GitHub
    github.com · Platform
    Developer collaboration platform; primary host for open-source code + CI workflows.
    B·82
  74. #74
    Hugging Face
    huggingface.co · Platform
    AI/ML model + dataset hub; open-source community for transformers + ML research.
    B·81
  75. #75
    The Conversation
    theconversation.com · News
    Academic-journalism collaboration; articles authored by academics + edited by journalists; CC-BY-ND.
    B·82
  76. #76
    Federal Reserve System
    federalreserve.gov · Government
    U.S. central bank; primary source for monetary policy + economic data + financial-system statistics.
    A+·95
  77. #77
    European Central Bank
    ecb.europa.eu · Government
    EU central bank; primary source for euro-area monetary policy + financial-system data.
    A·93
  78. #78
    Bank of England
    bankofengland.co.uk · Government
    UK central bank; primary source for sterling monetary policy + financial-stability data since 1694.
    A·92
  79. #79
    U.S. Department of Agriculture
    usda.gov · Government
    Federal agriculture agency; primary source for U.S. food, farm, and rural-development data + research.
    A·91
  80. #80
    U.S. Energy Information Administration
    eia.gov · Government
    Federal energy statistical agency; primary source for U.S. + international energy data + projections.
    A·92
  81. #81
    U.S. Geological Survey
    usgs.gov · Government
    Federal scientific agency for earth sciences; primary source for geology + hydrology + earthquake data.
    A·91
  82. #82
    NASA
    nasa.gov · Government
    U.S. space agency; primary source for space exploration + Earth science + aeronautics research.
    A·93
  83. #83
    CERN
    home.cern · Academic
    European Organization for Nuclear Research; primary source for particle physics + experimental high-energy physics.
    A·92
  84. #84
    OECD
    oecd.org · Government
    Organisation for Economic Co-operation and Development; international economic data + policy research.
    A·91
  85. #85
    World Trade Organization
    wto.org · Government
    International organization for trade rules + trade-statistics; primary source for trade-policy data.
    A·89
  86. #86
    UNESCO
    en.unesco.org · Government
    U.N. agency for education, science, and culture; primary source for education + cultural-heritage data.
    A·86
  87. #87
    National Bureau of Economic Research
    nber.org · Academic
    U.S. economic research nonprofit; working-paper series + business-cycle dating standards.
    A·85
  88. #88
    Brookings Institution
    brookings.edu · Research
    U.S. policy research think tank; centrist credibility + public-policy research since 1916.
    B·83
  89. #89
    Council on Foreign Relations
    cfr.org · Research
    U.S. foreign-policy think tank; publishes Foreign Affairs + research on international issues since 1921.
    B·82
  90. #90
    Quanta Magazine
    quantamagazine.org · Magazine
    Science journalism magazine published by Simons Foundation; mathematics + physics + life sciences.
    A·85
  91. #91
    London Review of Books
    lrb.co.uk · Magazine
    Bi-weekly UK literary + cultural review since 1979; named-byline tradition + long-form essays.
    B·83
  92. #92
    The New York Review of Books
    nybooks.com · Magazine
    U.S. literary + intellectual review since 1963; named-byline tradition + long-form essays.
    B·83
  93. #93
    Anthropic Research
    anthropic.com · Academic
    AI safety research lab publishing technical papers + safety research + Claude model documentation.
    B·82
  94. #94
    OpenAI Research
    openai.com · Academic
    AI research lab publishing technical papers + GPT model documentation + safety research.
    B·80
  95. #95
    Google DeepMind Research
    deepmind.google · Academic
    AI research lab; flagship publications across reinforcement learning + biology + games + foundation models.
    B·83
  96. #96
    MIT CSAIL
    csail.mit.edu · Academic
    MIT Computer Science and Artificial Intelligence Laboratory; flagship academic CS research lab.
    B·82
  97. #97
    Aeon
    aeon.co · Magazine
    Online magazine for long-form essays on philosophy, science, society; CC-BY-ND licensed.
    B·78
  98. #98
    LWN.net
    lwn.net · Tech News
    Linux + open-source technical journalism since 1998; deep technical depth + named-author bylines.
    B·78
  99. #99
    European Space Agency
    esa.int · Government
    European intergovernmental space agency; primary source for European space + earth-observation missions.
    A·86
  100. #100
    FRED (Federal Reserve Economic Data)
    fred.stlouisfed.org · Government
    Federal Reserve Bank of St. Louis economic data infrastructure; ~800k+ data series.
    A·91
  101. #101
    Association for Computing Machinery
    dl.acm.org · Academic
    Premier U.S. computing society; ACM Digital Library indexes peer-reviewed CS publications.
    A·85
  102. #102
    Le Monde
    lemonde.fr · News
    France's paper of record since 1944, with English edition (lemonde.fr/en/) widely cited.
    B·77
  103. #103
    Der Spiegel
    spiegel.de · News
    Germany's tier-1 weekly + daily, with English edition Spiegel International open-access.
    B·78
  104. #104
    South China Morning Post
    scmp.com · News
    Hong Kong-based English-language paper since 1903; primary tier-1 source for China + HK news in English.
    B·75
  105. #105
    The Times (UK)
    thetimes.co.uk · News
    UK paper of record since 1785, hard-paywalled, owned by News UK (News Corp).
    B·74
  106. #106
    The Globe and Mail
    theglobeandmail.com · News
    Canada's national paper since 1844, broadsheet of record for business + politics.
    B·74
  107. #107
    Asahi Shimbun
    asahi.com · News
    Japan's tier-1 daily since 1879; English edition asahi.com/ajw partial open access.
    B·71
  108. #108
    El País
    elpais.com · News
    Spain's tier-1 daily since 1976, with strong Latin American reach via elpais.com Americas editions.
    B·74
  109. #109
    PNAS
    pnas.org · Academic
    Proceedings of the National Academy of Sciences — multidisciplinary peer-reviewed journal since 1914.
    A·92
  110. #110
    Cell
    cell.com · Academic
    Top biology journal since 1974, published by Elsevier (Cell Press); the default citation in molecular biology.
    A·89
  111. #111
    Cochrane Library
    cochranelibrary.com · Academic
    Gold-standard systematic-review database for medical evidence since 1993.
    A·87
  112. #112
    JSTOR
    jstor.org · Academic
    Academic journal database since 1995; primary archive for humanities + social-science research.
    B·82
  113. #113
    IPCC
    ipcc.ch · Government
    Intergovernmental Panel on Climate Change — primary global climate-science assessment body since 1988.
    A·91
  114. #114
    ONS (UK)
    ons.gov.uk · Government
    UK Office for National Statistics — primary source for British economic, demographic, social data.
    A·87
  115. #115
    Eurostat
    ec.europa.eu/eurostat · Government
    EU statistical office providing harmonized data across all 27 member states + candidate countries.
    A·88
  116. #116
    BEA
    bea.gov · Government
    US Bureau of Economic Analysis — primary source for GDP, personal income, trade, and BOP statistics.
    A·86
  117. #117
    Statistics Canada
    statcan.gc.ca · Government
    Canada's national statistical agency, founded 1971; primary source for Canadian economic + demographic data.
    B·82
  118. #118
    Mayo Clinic
    mayoclinic.org · Health
    US tier-1 medical center with comprehensive physician-reviewed patient-information site.
    A·87
  119. #119
    Cleveland Clinic
    my.clevelandclinic.org · Health
    US tier-1 academic medical center; comprehensive patient-info + Health Library since 1921.
    B·83
  120. #120
    BMJ Best Practice
    bestpractice.bmj.com · Health
    BMJ's clinical-decision-support tool; evidence-based, continuously-updated clinical guidance.
    B·79
  121. #121
    McKinsey Insights
    mckinsey.com · Business
    McKinsey & Company's research arm; widely cited in business press despite client-conflict caveats.
    B·75
  122. #122
    BCG Insights
    bcg.com · Business
    Boston Consulting Group's publications; strategy-research authority since 1963.
    B·73
  123. #123
    Gartner
    gartner.com · Business
    IT industry research firm since 1979; Magic Quadrant + Hype Cycle frameworks widely cited.
    C·69
  124. #124
    Hacker News
    news.ycombinator.com · Tech News
    Y Combinator-run tech link aggregator since 2007; community-curated, no editorial layer.
    C·66
  125. #125
    Stratechery
    stratechery.com · Tech News
    Ben Thompson's tech-strategy analysis newsletter since 2013; widely cited despite single-author format.
    B·73
  126. #126
    AnandTech
    anandtech.com · Tech News
    Hardware reviews + benchmarks since 1997; site closed for new content 2024 but archive widely cited.
    C·69
  127. #127
    Stanford Encyclopedia of Philosophy
    plato.stanford.edu · Reference
    Peer-reviewed philosophy encyclopedia since 1995; gold-standard philosophy reference.
    A·89
  128. #128
    MDN Web Docs
    developer.mozilla.org · Reference
    Mozilla-stewarded web-platform reference since 2005; default citation for HTML, CSS, JS, Web APIs.
    A·93
  129. #129
    Smithsonian Magazine
    smithsonianmag.com · Magazine
    Smithsonian Institution's magazine since 1970; long-form science, history, culture.
    B·78
  130. #130
    National Geographic
    nationalgeographic.com · Magazine
    Long-form science, exploration, photojournalism since 1888; National Geographic Society heritage.
    B·79