Cristina is research active within the area of astrophysics and is a member of the Extragalactic Astrophysics Research Group. Cristina Popescu leads the Interstellar Medium Group, which investigates the formation and evolution of galaxies by studying the detailed physical processes that take place in these complex systems related to the interaction of radiation with dust, gas and cosmic rays. Currently Cristina is teaching in the Physics and Astrophysics team. She also taught in the maths team and for the distant learning courses.