PhD in Astrophysics

Iowa State University (United States) · Ames, IA 50011, United States

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Iowa State University of Science and Technology (Iowa State University, Iowa State, or ISU) is a public land-grant research university in Ames, Iowa. It is the largest university in the state of Iowa and the third largest university in the Big 12 athletic conference. Iowa State is classified among "R1: Doctoral Universities – Very high research activity" and is a member of the Association of American Universities.

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Program Details:

Program Website

Basic Info

Institute

College of Liberal Arts & Sciences

Degree

PhD

Duration

5-6 years

STEM Designated

Yes

Program

Astrophysics

Expense

Living Expenses

USD 14700

Tuition Fee (Domestic)

USD 7400

Tuition Fee (International)

USD 17400

Eligibility

Minimum/ Avg Score

Undergrad GPA

3

TOEFL

79

IELTS

6.5

PTE

53

Duolingo

115

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Deadlines:

Deadline Website

Intake Deadline 1

15 Jan, 2026

(August-2026)

Document Required:

  • Degree Certificate

    Common Document

    4 year Bachelor’s degree (or equivalent)

  • Degree Transcript

    Common Document

    One official set from every college attended. Be sure to include grades and credits earned along with degree received (if applicable). Foreign transcripts need to include an official English translation.

  • Financials (proof of income)

    Common Document

  • Letter of Recommendation (LOR)

    University Specific

    Three letters of recommendation from individuals who can attest to your potential for graduate study in mathematics are required. Letters from individuals not able to assess mathematics can be sent but should be above the required three letters and could be emailed or postal mailed to the department with the following form attached.

  • Statement of Purpose (SOP)

    University Specific

    A brief essay describing your academic and career goals and how this program will help you meet those goals. If you complete this as part of the online application, please do not need to send an additional statement. The length of the statement of purpose is subjective, as applicants should describe their research interests, experiences, and all educational accomplishments thoroughly. We recommend roughly 500 words.

  • Test Score Report

    Common Document

    TOEFL/IELTS/PTE/Duolingo

  • Credential Evaluation

    Common Document

    International students may submit course-by-course evaluations from World Education Services (WES) or Educational Credential Evaluators (ECE).

  • Test Score Report

    Common Document

    GRE

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