PURDUE UNIVERSITY · UNITED STATES
Earth, Atmospheric, and Planetary Sciences
PhD · Taught in en
At a glance
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Duration
7.0
IELTS
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Tuition / yr
en
Language
PhD
Level
Purdue University's Department of Earth, Atmospheric, and Planetary Sciences offers graduate programs leading to a Doctor of Philosophy (PhD) or a Master of Science (MS). These programs provide advanced study and research opportunities in a broad range of Earth and space science disciplines. Students engage in rigorous coursework and cutting-edge research, contributing to our understanding of the planet and beyond. The department focuses on interdisciplinary approaches, covering areas such as geology, geophysics, atmospheric science, climate science, and planetary science. Graduates are prepared for careers in research, academia, government agencies, and the private sector, equipped with the skills to address complex scientific challenges.
Careers
Graduates from the Earth, Atmospheric, and Planetary Sciences program are well-prepared for a variety of career paths in research, academia, and industry. The skills acquired through advanced study and research enable them to tackle complex environmental and scientific challenges.
- Researcher
- University Professor
- Geoscientist
- Atmospheric Scientist
- Planetary Scientist
- Data Analyst
- Environmental Consultant
Frequently asked questions
- What are the academic entry requirements for the PhD in Earth, Atmospheric, and Planetary Sciences?
- Applicants need a minimum cumulative GPA of 3.0 (on a 4.0 scale) or equivalent from their most recently conferred undergraduate, graduate, or professional degree. Proof of English proficiency is also required.
- What are the English proficiency requirements for international students?
- For TOEFL (iBT), the minimum overall score is 81 (before Jan 21, 2026) or 4 (on or after Jan 21, 2026), with specific section minimums. For IELTS, the minimum overall score is 7, with specific section minimums.
- How do I apply for the PhD program and what are the deadlines?
- You must submit an online application through the Purdue Graduate School's system, along with transcripts, recommendation letters, statements of purpose and personal history, resume, and English proficiency scores. The application deadline is January 6 for Fall admission consideration for priority financial support.
- What are the tuition fees and living costs?
- Detailed tuition and fee rates for the 2025-2026 academic year and estimated living costs for graduate students can be found on the Purdue University Bursar's Office website.
- What financial support is available for PhD students?
- Opportunities include Graduate Research Assistantships, Graduate Teaching Assistantships, and Fellowships, which competitively selected students may receive. These typically cover a stipend and tuition remission.
- What career paths can I pursue after completing this PhD program?
- Graduates are prepared for roles such as Researcher, University Professor, Geoscientist, Atmospheric Scientist, Planetary Scientist, Data Analyst, and Environmental Consultant.
Entry requirements
Most Recently Conferred Undergraduate, Graduate, or Professional DegreeCumulative Grade Point Average (GPA) of 3.0 or equivalent (on a 4.0 scale)
TOEFL (Internet-Based Test - IBT)Minimum Overall Score: 81 (for exams taken before Jan 21, 2026); Minimum Overall Score: 4 (for exams taken on or after Jan 21, 2026)
IELTS (Academic Module)Minimum Overall Score: 7
For TOEFL, specific minimum section scores are also required: Reading 19, Listening 14, Speaking 22, Writing 18 (before Jan 21, 2026) or Reading 4, Listening 3.5, Speaking 4, Writing 4 (on or after Jan 21, 2026). For IELTS, minimum section scores are: Reading 6.5, Listening 6, Speaking 7, Writing 5.5.
Fees
Tuition (international)Please refer to the Purdue University Graduate Rates for the 2025-2026 academic year for detailed tuition information. Specific rates vary by program and academic standing. Consult the Bursar's Office for the most current figures.
Tuition (home)Please refer to the Purdue University Graduate Rates for the 2025-2026 academic year for detailed tuition information. Specific rates vary by program and academic standing. Consult the Bursar's Office for the most current figures.
LivingEstimated living costs for graduate students can be found on the Purdue University Bursar's Office website.
Detailed tuition and fee rates for the 2025-2026 academic year are available on the Purdue University Bursar's Office website. This includes information for Fall/Spring and Summer/Winter terms.
How to apply
1. Complete the Online ApplicationSubmit your application through the Purdue Graduate School's online system.
2. Submit TranscriptsProvide official transcripts from all previously attended undergraduate and graduate institutions. For non-English documents, include certified translations.
3. Provide Recommendation LettersArrange for letters of recommendation from individuals who can attest to your academic and research potential.
4. Write Statement of PurposeSubmit an Academic Statement of Purpose detailing your research interests and academic goals.
5. Write Personal History StatementSubmit a Personal History Statement as required by the department.
6. Submit ResumeInclude a current resume or curriculum vitae.
7. GRE (Optional)The GRE is not required by the EAPS department, but scores will be considered if submitted.
8. English Proficiency ProofSubmit official scores from an accepted English proficiency test (e.g., TOEFL or IELTS) meeting the program's minimum requirements.
Scholarships
Graduate Research AssistantshipVaries
Graduate Teaching AssistantshipVaries
FellowshipsVaries
Frequently asked questions
What are the academic entry requirements for the PhD in Earth, Atmospheric, and Planetary Sciences?
+
Applicants need a minimum cumulative GPA of 3.0 (on a 4.0 scale) or equivalent from their most recently conferred undergraduate, graduate, or professional degree. Proof of English proficiency is also required.
What are the English proficiency requirements for international students?
+
For TOEFL (iBT), the minimum overall score is 81 (before Jan 21, 2026) or 4 (on or after Jan 21, 2026), with specific section minimums. For IELTS, the minimum overall score is 7, with specific section minimums.
How do I apply for the PhD program and what are the deadlines?
+
You must submit an online application through the Purdue Graduate School's system, along with transcripts, recommendation letters, statements of purpose and personal history, resume, and English proficiency scores. The application deadline is January 6 for Fall admission consideration for priority financial support.
What are the tuition fees and living costs?
+
Detailed tuition and fee rates for the 2025-2026 academic year and estimated living costs for graduate students can be found on the Purdue University Bursar's Office website.
What financial support is available for PhD students?
+
Opportunities include Graduate Research Assistantships, Graduate Teaching Assistantships, and Fellowships, which competitively selected students may receive. These typically cover a stipend and tuition remission.
What career paths can I pursue after completing this PhD program?
+
Graduates are prepared for roles such as Researcher, University Professor, Geoscientist, Atmospheric Scientist, Planetary Scientist, Data Analyst, and Environmental Consultant.