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Admissions open
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44 Best Science PhD Universities in the United States 2026
This ranks Science PhD and Doctorate options in the United States for 2026. It is for applicants comparing where to pursue doctoral study in this subject.
Ranked by our transparent composite score, with QS rankings, tuition fees and entry requirements.
44 universities · ranked best first
how we rank
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Admissions open
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Admissions open
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Admissions open
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Admissions open
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Admissions open
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Admissions open
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Admissions open
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Admissions open
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Admissions open
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Admissions open
- Tuition (indicative)
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Admissions open
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Science at other levels
Related PhD subjects
Frequently asked questions
Which are the best universities worldwide for PhD Science?▾
Based on our composite ranking, the top choices include University of Pittsburgh Medical Center, University of Massachusetts Boston, International Technological University. See the full ranked list above with QS positions, tuition fees and entry requirements.
How much does a PhD in Science cost abroad?▾
Tuition varies by university and is indicative on each profile — public universities are generally the most affordable, while private and international branch campuses charge more. Scholarships can reduce costs significantly.
Can international students study Science abroad?▾
Yes. Most programmes are taught in English and open to international students, who apply for a student visa through the immigration authority after accepting an offer.
How are these universities ranked?▾
We use a transparent composite score combining QS World/Asia positions, your destination country’s star rating, academic breadth, internationalisation and student support — never paid placement. See our ranking methodology for the exact weights.
Studying Science at PhD level abroad
your destination country is a popular, affordable destination for Science at PhD level, with provincially accredited programmes taught in English at both public and private universities, plus international branch campuses. The universities above are ordered by our composite ranking score, which combines QS World and QS Americas positions, your destination country’s star rating, academic breadth, internationalisation and student support — with no paid placement.
Get your destination country university & scholarship updates
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