College of ScienceDepartments & Schools 14 Departments. 21 Undergraduate Majors.Top 20 Public Research Institution. The College of Science is the next step on your journey. Arizona Geological Survey Visit the Arizona Geological Survey Astronomy & Steward Observatory Visit Astronomy & Steward Observatory Chemistry and Biochemistry Visit Chemistry and Biochemistry Cognitive Science Visit Cognitive Science Computer Science Visit Computer Science School of Earth and Environmental Sciences Visit the School of Earth and Environmental Sciences Ecology and Evolutionary Biology Visit Ecology and Evolutionary Biology Geosciences Visit Geosciences Hydrology and Atmospheric Sciences Visit Hydrology and Atmospheric Sciences Laboratory of Tree-Ring Research Visit Laboratory of Tree-Ring Research Large Binocular Telescope Observatory Visit Large Binocular Telescope Observatory School of Mathematical Sciences Visit the School of Mathematical Sciences Mathematics Visit Mathematics School of Mind, Brain and Behavior Visit School of Mind, Brain and Behavior Molecular and Cellular Biology Visit Molecular and Cellular Biology School of Mining & Mineral Resources Visit School of Mining & Mineral Resources Neuroscience Visit Neuroscience Physics Visit Physics Planetary Sciences / Lunar & Planetary Laboratory Visit Planetary Sciences / LPL Psychology Visit Psychology Speech, Language & Hearing Sciences Visit SLHS
