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Nonprofit · Tucson · United States

Planetary Science Institute

In research, Planetary Science Institute stands highest in Geophysics (#8 of 237 worldwide), Earth and Planetary Sciences (#42 of 1,209 worldwide) and Physical Sciences (#612 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Astronomy and Astrophysics, Geophysics and Earth and Planetary Sciences — Astronomy and Astrophysics is 49.1× its share of world research.

psi.eduROR OpenAlex
World rank, 2022–2025
#1,056
of 28,054 · #495 all time
Rank in United States
#183
of 4,192
Research works
10k
▲ 16% vs 2013–17
Citations
546k
52.0 per fractional work
Top-10% rate
25.1%
record average 16.5%
Open access
46%
world 28%

What is Planetary Science Institute known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
GeophysicsSubfield #8 of 237 28.0%255 #3
Earth and Planetary SciencesField #42 of 1,209 27.9%537 #22
Physical SciencesDomain #612 of 12,888 25.6%1,388 #347
Astronomy and AstrophysicsSubfield #30 of 443 25.7%393 #39
Atmospheric ScienceSubfield #55 of 301 26.7%139 #23
Environmental ScienceField #791 of 3,551 27.5%198 #209
EngineeringField #3,246 of 6,636 19.2%132 #1645
Physics and AstronomyField #989 of 1,646 25.3%428 #890
Life SciencesDomain #4,985 of 7,800 23.6%82 #3126
Global and Planetary ChangeSubfield #393 of 535 23.5%65 #118

Each strip is that field’s whole ranked pool, with the notch where Planetary Science Institute sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Geophysics#3 #8
  2. Earth and Planetary Sciences#22 #42
  3. Physical Sciences#347 #612
  4. Astronomy and Astrophysics#39 #30
  5. Atmospheric Science#23 #55
  6. Environmental Science#209 #791
  7. Engineering#1,645 #3,246
  8. Physics and Astronomy#890 #989
  9. Life Sciences#3,126 #4,985
  10. Global and Planetary Change#118 #393
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Planetary Science Institute specialise in?

Where its research is concentrated relative to its size: Astronomy and Astrophysics takes 49.1× the share of its output that it takes of world research.

  1. Astronomy and AstrophysicsSubfield · 393.5 works49×
  2. GeophysicsSubfield · 255.0 works47×
  3. Earth and Planetary SciencesField · 537.2 works22×
  4. PaleontologySubfield · 40.0 works21×
  5. Atmospheric ScienceSubfield · 139.3 works20×
  6. Geochemistry and PetrologySubfield · 23.2 works15×
  7. Physics and AstronomyField · 427.9 works12×
  8. Earth-Surface ProcessesSubfield · 22.7 works12×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.40× its world share, 30 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.59× its world share, 48 worksBiochemistry, Geneti…Immunology and Microbiology: 0.04× its world share, 1 worksImmunology and Micro…Neuroscience: 0.10× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.12× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 0.11× its world share, 1 worksChemical EngineeringChemistry: 0.64× its world share, 16 worksChemistryComputer Science: 0.37× its world share, 44 worksComputer ScienceEarth and Planetary Sciences: 22.19× its world share, 537 worksEarth and Planetary …Energy: 0.40× its world share, 6 worksEnergyEngineering: 0.57× its world share, 132 worksEngineeringEnvironmental Science: 2.58× its world share, 198 worksEnvironmental ScienceMaterials Science: 0.40× its world share, 21 worksMaterials ScienceMathematics: 0.26× its world share, 5 worksMathematicsPhysics and Astronomy: 12.47× its world share, 428 worksPhysics and AstronomyDentistry: 0.06× its world share, 0 worksDentistryHealth Professions: 0.10× its world share, 4 worksHealth ProfessionsMedicine: 0.06× its world share, 17 worksMedicineNursing: 0.13× its world share, 1 worksNursingVeterinary: 0.15× its world share, 0 worksVeterinaryArts and Humanities: 0.19× its world share, 8 worksArts and HumanitiesBusiness, Management and Accounting: 0.04× its world share, 2 worksBusiness, Management…Decision Sciences: 0.25× its world share, 4 worksDecision SciencesEconomics, Econometrics and Finance: 0.13× its world share, 4 worksEconomics, Econometr…Psychology: 0.12× its world share, 6 worksPsychologySocial Sciences: 0.14× its world share, 27 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 22.2×. Every wedge is a field page.

Who are the top researchers at Planetary Science Institute?

Ranked on the composite score, I. R. Kaplan, S. B. Jacobsen and S. J. Weidenschilling lead among researchers whose main affiliation is Planetary Science Institute.

  1. 1 I. R. Kaplan United States · #12,579 worldwide 1k citations · 58 works
  2. 2 S. B. Jacobsen United States · #18,567 worldwide 1.5k citations · 117 works
  3. 3 S. J. Weidenschilling United States · #21,301 worldwide 599 citations · 77 works
  4. 4 Adam M. Dziewoński United States · #23,081 worldwide 770 citations · 49 works
  5. 5 S. C. Wofsy United States · #39,703 worldwide 631 citations · 59 works
  6. 6 E. Pierazzo United States · #50,878 worldwide 332 citations · 33 works
  7. 7 David Grinspoon United States · #53,396 worldwide 315 citations · 78 works
  8. 8 M.A. Siegler United States · #60,680 worldwide 327 citations · 72 works
  9. 9 David T. Johnston United States · #65,025 worldwide 424 citations · 37 works
  10. 10 W. K. Hartmann United States · #65,802 worldwide 501 citations · 132 works
All ranked researchers at Planetary Science Institute

Which keywords describe research at Planetary Science Institute?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Plate Tectonics, Solar System Abundances, Terrestrial Planets, Tectonics, Mars, Martian Surface and Thermodynamic Modeling.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Climate Change202▲ 4.8×82 topics
  2. Plate Tectonics144▲ 61×3 topics
  3. Solar System Abundances129▲ 173×1 topic
  4. Terrestrial Planets129▲ 173×1 topic
  5. Tectonics100▲ 54×3 topics
  6. Mars94▲ 189×1 topic
  7. Martian Surface94▲ 189×1 topic
  8. Thermodynamic Modeling84▲ 48×4 topics
  9. Geochronology80▲ 75×1 topic
  10. Zircon80▲ 75×1 topic
  11. Tomography78▲ 28×4 topics
  12. Remote Sensing73▲ 3.9×32 topics
  13. Solar Wind72▲ 50×2 topics
  14. Holocene70▲ 39×3 topics
  15. Sea Level70▲ 47×2 topics
  16. Paleoclimatology67▲ 53×2 topics
  17. Solar Influence65▲ 60×2 topics
  18. Glacial Cycles65▲ 63×1 topic
  19. Monsoon Dynamics65▲ 63×1 topic
  20. Subduction62▲ 55×3 topics
  21. Geodetic Measurements61▲ 37×2 topics
  22. Superconductivity58▲ 22×6 topics
  23. Crystal Structure Prediction57▲ 80×1 topic
  24. Mantle Dynamics57▲ 80×1 topic
  25. Earthquakes56▲ 64×1 topic
  26. Plate Boundaries56▲ 64×1 topic
  27. Global Warming48▲ 7.6×13 topics
  28. Exoplanets38▲ 62×1 topic
  29. Stellar Astrophysics38▲ 62×1 topic
  30. Coronal Mass Ejections36▲ 63×1 topic
  31. Solar Dynamics Observatory36▲ 63×1 topic
  32. Electron Acceleration36▲ 34×2 topics
  33. Ionosphere36▲ 41×1 topic
  34. Magnetosphere36▲ 41×1 topic
  35. Shale Gas33▲ 17×2 topics
  36. Ocean Circulation32▲ 16×3 topics
  37. Biomineralization32▲ 31×4 topics
  38. Geomagnetic Field30▲ 87×1 topic
  39. Magnetosome Formation30▲ 87×1 topic
  40. Marine Sediments27▲ 28×2 topics

Which research topics does Planetary Science Institute publish most on?

By volume in 2022–2025: Astro and Planetary Science, Planetary Science and Exploration, Geological and Geochemical Analysis and Geology and Paleoclimatology Research.

Astro and Planetary Scie…129Astro and Planetary Science: 129 fractional worksPlanetary Science and Exploration: 94 fractional worksGeological and Geochemic…80Geological and Geochemical Analysis: 80 fractional worksGeology and Paleoclimato…65Geology and Paleoclimatology Research: 65 fractional worksHigh-pressure geophysics and materials: 57 fractional worksearthquake and tectonic studies: 56 fractional worksStellar, planetary, and …38Stellar, planetary, and galactic studies: 38 fractional worksSolar and Space Plasma Dynamics: 36 fractional worksIonosphere and magnetosphere dynamics: 36 fractional worksGeomagnetism and Paleomagnetism Studies: 30 fractional works
Astronomy and AstrophysicsGeophysicsAtmospheric ScienceMolecular Biology

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Astro and Planetary Science Astronomy and Astrophysics 129 works
  2. 2 Planetary Science and Exploration Astronomy and Astrophysics 94 works
  3. 3 Geological and Geochemical Analysis Geophysics 80 works
  4. 4 Geology and Paleoclimatology Research Atmospheric Science 65 works
  5. 5 High-pressure geophysics and materials Geophysics 57 works
  6. 6 earthquake and tectonic studies Geophysics 56 works
  7. 7 Stellar, planetary, and galactic studies Astronomy and Astrophysics 38 works
  8. 8 Solar and Space Plasma Dynamics Astronomy and Astrophysics 36 works
  9. 9 Ionosphere and magnetosphere dynamics Astronomy and Astrophysics 36 works
  10. 10 Geomagnetism and Paleomagnetism Studies Molecular Biology 30 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available46.1%not open53.9%

World: 28% of research is openly available.

with international co-authors34.9%domestic only65.1%

World: 19% is written across borders.

How has Planetary Science Institute's research output changed?

Output in 2018–2022 was 16% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Tucson

All research institutions in Tucson

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.