Explore the processes and dynamics that shape the interiors and surfaces of the Earth and other bodies in the solar system. This is your opportunity to work with world-class faculty on NASA- and NSF-funded projects in state-of-the-art laboratories and in the field on any of the seven continents. The PhD program in geological sciences is designed to develop creative scholarship in the terrestrial and planetary geosciences. Students are encouraged to cross subject boundaries and pursue new understandings of Earth and the solar system.
Degree Awarded: PHD
Geological Sciences
The PhD program in geological sciences is designed to develop creative scholarship in the terrestrial and planetary geosciences. Students are encouraged to cross subject boundaries and pursue new understandings of Earth and the solar system.
September 2025
Arizona State University
Tempe Campus,
1151 S. Forest Ave.,
TEMPE,
Arizona,
85281, United States
To be admitted to ASU, you must have earned a bachelor鈥檚 degree or higher from a regionally accredited institution in the U.S. or the equivalent of a U.S. bachelor鈥檚 degree from an international institution that is officially recognized by that country.
Competitive applicants typically have a 鈥淏鈥� (3.00 on a 4.00 scale) grade point average in the last 60 semester hours or 90 quarter hours of undergraduate coursework. If you do not meet the minimum GPA requirements, your application may still be considered by the department.
English language proficiency requirements
Test of English as a Foreign Language (TOEFL): Score of at least 80 on the TOEFL iBT
International English Language Testing System (IELTS): Overall band score of the academic test of at least 6.5
Pearson Test of English (PTE): Score of at least 60
Duolingo English test: Graduate minimum score of 105
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