The Department of Earth & Planetary Sciences explores the forces that shape our planet—and others. We advance knowledge of Earth’s systems through integrative research, field discovery, and education. From deep time to planetary futures, our work equips the next generation to tackle global challenges and build a sustainable future.
Degree Programs
Bachelor's of Science
Gain a strong foundation in Earth and planetary sciences while building the analytical and communication skills to tackle today’s most pressing environmental and planetary challenges. Our undergraduate program prepares you for graduate study and careers in science, policy, planning, education, and more.
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M.S., Ph.D.
EPS graduate programs combine advanced coursework with independent research tailored to your interests. Prepare for impactful careers in science and resource management while earning an M.S., Engineer, or Ph.D. degree in a collaborative, interdisciplinary environment.
Coterm M.S. Program
Our coterminal program lets students deepen their expertise with graduate-level research and an MS degree. It’s a strong foundation for careers in environmental and engineering geology—or for pursuing a PhD. Coterms are fully integrated into the EPS graduate community.
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Earth and Planetary Sciences News
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The Department of Earth and Planetary Sciences (EPS) brought together alumni, faculty, students, and friends for a festive evening during the Geological Society of America (GSA) Annual Meeting in San Antonio, Texas, on October 20, 2025. The reception drew more than 70 attendees — from emeritus faculty to current graduate students — for an event that felt “almost like a family reunion.”
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An analysis of shark tooth shapes, a proxy for body size and diet, reveals species with specialized traits are most at risk of extinction. The findings are the latest example of the biodiversity crisis affecting the tree of life’s most distinctive branches. Unless threats like overfishing are addressed, “you end up with a more boring world.”
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New analysis of isotopes preserved in ancient seafloor sediments suggests oxygen levels in Earth’s deep ocean stabilized at modern-day levels long after the rapid burst of evolution that gave us most major animal groups.
Join Our EPS Seminar
Learn about cutting-edge science and connect with leading experts at our upcoming EPS Seminar. This engaging event offers a deep dive into the latest research, practical applications, and collaborative opportunities within the EPS community.
Ready to learn more?
Meet some of our community members
Woman On The Moon
Astronaut and Geological Sciences alumna Jessica Watkins discussed her experiences from the International Space Station, including seeing her former field sites from space. “Being able to see that from this perspective felt pretty full circle.
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A holistic approach
“I’ve been on all sides of the coin now. I loved being a student at Stanford. I loved being an instructor. Now as a staff member, I feel well equipped to help demystify the higher education landscape for undergrads,” said Joey Nelson, PhD ‘17, who works as an Academic Advising Director (AAD) for the Vice Provost for Undergraduate Education (VPUE).
Earth and Planetary Sciences Events
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Earth Planetary Science Seminar - Dr. Laura Webb "Is surface geology linked to mantle structure beneath ancient orogens? New insights from the New England Seismic Transect (NEST)."
Class/Seminar-Building 320, Geology Corner, Room 220 and Zoom