Welcome to the Faculty of Science at the Kumpula campus! Kumpula campus is the largest hub of scientific expertise in the Nordic countries. The research at Kumpula has been assessed to be top level internationally, and the instruction is given by successful scientists. Key areas are astronomy, data science, atmospheric sciences, urban research, and nano-science. The wide range of the disciplines and many contacts around the world contribute to an inspiring atmosphere and a basis for interdisciplinary cooperation. The compact campus has brought together an active and creative community of researchers and students on top of the Kumpula hill.