The Department of Astronomy offers a graduate program aimed at the PhD degree in astrophysics. The department offers opportunities in a wide variety of fields, including theoretical and observational astrophysics; infrared, optical, and radio astronomy; time-domain astronomy; high-energy astrophysics and cosmology; discovery and analysis of exoplanets; star formation and stellar evolution. Astronomy graduate students are provided financial assistance in the form of fellowships, teaching positions, and research appointments. This support is meant to cover costs such as registration costs and provides a stipend for living expenses while attending Berkeley.