Considering Ohio State? The Astronomy Ph.D. program at Ohio State is for students interested in observational and theoretical astrophysics. Our graduate students are mentored by world-class faculty and excel in research, outreach, and teaching. Click to find out more Info for Newly Admitted Graduate Students Info for Current Graduate Students Grad Courses Roadmap Candidacy Dissertation and Defense Grad Highlights Astronomy PhD candidate receives prestigious NASA Hubble Fellowship 2025 Graduate Associate Leadership Award Recipients Announced Sebastian Lopez wins 2024 Presidential Fellowship 2024 David Will Prize awarded to Wynne Turner