Exploring nature from cosmic to quantum
With its world-renowned faculty and state-of-the-art facilities, the William H. Miller III Department of Physics and Astronomy combines the best aspects of a top research university with the more intimate learning environment typical of small liberal arts colleges.
- Degrees OfferedBA, BS, BA/MA, PhD
- MajorPhysics
- MinorPhysics, Space Science and Engineering

Explore the Department

PhD Program
Graduate students have flexibility in choosing their course of research and designing their path through the program.

Undergraduate
Whether your interest is in astronomy, condensed matter, particle physics, or plasma spectroscopy, you'll find state-of-the-art tools at your disposal.

Award-winning Faculty
Students have the opportunity to work with experts in a wide range of fields, even as undergraduates.
Upcoming Events
News & Announcements

Jake Hoffmann Receives Provost’s Undergraduate Research Award
Physics major Jake Hoffmann has received the Provost’s Undergraduate Research Award (PURA) from The Hopkins Office for Undergraduate Research. The award is designed to support and encourage Hopkins undergraduate students […]

Good News from the JHU-led Cosmology Large Angular Scale Surveyor Project
In early 2025, the JHU-led Cosmology Large Angular Scale Surveyor (CLASS) project announced a first-of-its-kind measurement of the so-called “optical depth to reionization,” the probability that a photon from the cosmic microwave […]

Tyrel McQueen and Surjeet Rajendran to continue with Quantum Information Science Research Centers
The U.S. Department of Energy (DOE) has announced $625 million in funding to renew its five National Quantum Information Science (QIS) Research Centers, originally established in 2018 under the National […]