Earth, Atmospheric, and Planetary Sciences

Supported Degree Objectives


  • Doctor of Philosophy (PhD)
  • Master of Science (MS)
  • Non Degree

Required Supporting Documents


English Proficiency Requirements


  • The following English proficiency minimum scores are required by this program for the tests listed below. To view additional English proficiency options accepted by this program and the Office of the Vice Provost for Graduate Students and Postdoctoral Scholars, visit the English Proficiency Requirements page.

TOEFL: Internet-Based Test (IBT): Minimum Overall Required Score: 81
Minimum section requirements:

  • Reading: 19
  • Listening: 14
  • Speaking: 22
  • Writing: 18

IELTS (Academic Module): Minimum Overall Required Score: 7
Minimum section requirements:

  • Reading: 6.5
  • Listening: 6
  • Speaking: 7
  • Writing: 5.5

Master's Degree Program Requirements


  • Cumulative Grade Point Average from most recently conferred undergraduate, graduate, or professional degree:
    • 3.0 or equivalent (A=4.0)

Doctoral Degree Program Requirements


  • Cumulative Grade Point Average from most recently conferred undergraduate, graduate, or professional degree:
    • 3.0 or equivalent (A=4.0)
  • Master's Degree Completion:
    • Not Required

Application Deadlines


  • Fall Spring Summer
    MS and PhD January 6* September 1 No Entry
    Non-thesis MS (GDSP) March 15 October 15 No Entry
    MS and PhD
    Fall January 6*
    Spring September 1
    Summer No Entry

    Non-thesis MS (GDSP)
    Fall March 15
    Spring October 15
    Summer No Entry

    *Deadline for receipt of completed applications for priority consideration for financial support

Program Contact Information


  • Name Emjai Gregory
    Phone 765-494-5984
    Email egregor@purdue.edu
    Web Program Website
    Address Graduate Committee
    Department of Earth, Atmospheric, and Planetary Sciences
    Purdue University
    550 Stadium Mall Drive
    West Lafayette, IN 47907-2051
    USA

Additional Information


  • Current master’s students wishing to move to a doctoral degree program in this same graduate program will not be required to submit a new application
Purdue West Lafayette campus