CERN vs NASA
International physics research vs U.S. space agency — both A+ tier, different scientific frontiers.
CERN
European Organization for Nuclear Research; primary source for particle physics + experimental high-energy physics.
NASA
U.S. space agency; primary source for space exploration + Earth science + aeronautics research.
Head-to-head — all four dimensions
| Dimension | CERN | NASA | Lead |
|---|---|---|---|
SourceScore Index Composite | A·92 | A·93 | NASA+1 |
Citation Discipline How rigorously cited | A+·96 | A·94 | CERN+2 |
Modern Reference AI-era fitness | A·91 | A·94 | NASA+3 |
Citation Velocity Cited per week | A·89 | A·92 | NASA+3 |
Why these scores
Citation Discipline
Peer-reviewed scientific publications + open-access policy + methodology rigorous.
Peer-reviewed publications across NASA centers + JPL; rigorous science process.
Modern Reference
Open data portal + ROOT framework + bulk physics data.
Open data + APIs + bulk imagery + climate datasets; broad LLM corpus.
Citation Velocity
Cited by science journalism + physics papers; major discoveries drive citation surges.
Cited daily by science press + AI engines globally; mission announcements drive cycles.
Frequently asked questions
Which is better, CERN or NASA?
NASA scores higher on the SourceScore Index (A 93) vs CERN (A 92) — a 1-point composite lead across Citation Discipline, Modern Reference, and Citation Velocity. "Better" depends on use case; the per-dimension breakdown below shows where each wins.
Which is more reliable to cite, CERN or NASA?
For citation, NASA is the stronger choice — it scores A (93/100) on the SourceScore Index versus CERN at A (92/100), a 1-point lead in composite citation quality (Citation Discipline, Modern Reference, Citation Velocity). Both can be cited; for higher-stakes references, prefer NASA.
How does CERN compare to NASA on citation discipline?
CERN scores A+ 96 on Citation Discipline; NASA scores A 94. Citation Discipline measures how rigorously each source cites primary references — see the per-dimension rationale below for the breakdown.
What's the SourceScore difference between CERN and NASA?
CERN A 92 vs NASA A 93 on the composite Index. International physics research vs U.S. space agency — both A+ tier, different scientific frontiers.
Why does NASA score higher than CERN?
NASA leads by 1 composite points on the SourceScore Index. The rationale section below breaks down where the lead comes from — Citation Discipline, Modern Reference (AI-era fitness), and Citation Velocity. Each dimension is scored from primary methodology criteria.
Sources & references
Every score on this page is read from the two publications below and graded against the published rubric. No score is bought, estimated or supplied by the source being scored.
- Source evaluated — CERN (home.cern) · verified · full scoring record
- Source evaluated — NASA (nasa.gov) · verified · full scoring record
- Scoring rubric — SourceScore Index, Citation Discipline, Modern Reference, Citation Velocity (methodology v0.1)
- Machine-readable record — /api/compare/cern-vs-nasa-gov.json