Ruth Daly is a professor of physics at Penn State University. Her research is focused on the properties of black holes, the formation and evolution of structure in the universe, and the evolution of the universe itself, such as the expansion and acceleration histories of the universe. She teaches both physics and astronomy courses at Penn State. Students frequently work with Professor Daly on research projects, many of which result in publications. Students included as co-authors on papers are indicated by a (S) on papers listed under the Publications link.