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50 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