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1 Best Biology PhD Universities in the United States 2026

This ranks Life Sciences PhD and doctorate options in the United States for 2026. It is for applicants choosing a research degree at U.S. universities.

Ranked by our transparent composite score, with QS rankings, tuition fees and entry requirements.

1 university · ranked best first

how we rank

Biology at other levels

Best Bachelor's Biology Best Master's Biology

Frequently asked questions

Which are the best universities worldwide for PhD Biology?▾

Based on our composite ranking, the top choices include University of Alaska - Fairbanks. See the full ranked list above with QS positions, tuition fees and entry requirements.

How much does a PhD in Biology 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 Biology 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 Biology at PhD level abroad

your destination country is a popular, affordable destination for Biology 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.

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A PhD or doctorate in Life Sciences is a research degree suited to applicants aiming for advanced study, independent research, and academic or specialist careers. At this level, the main decision is not just subject fit but whether the programme structure supports your research plans and supervision needs.

The universities in this group are public, so the main comparison is between different public institutions rather than public and private options. The facts do not identify city size, campus setting, or published tuition, so those points need direct confirmation with each university before you decide.

Before applying, verify the research area, supervision, admission requirements, tuition, funding, and whether the programme matches your academic background. You should also confirm duration, application steps, and any additional documents required for international applicants.