College of ScienceDepartments & Schools 14 Departments. 22 Undergraduate Majors.Top 20 Public Research Institution.The College of Science is the next step on your journey. Arizona Geological Survey Explore the Arizona Geological Survey Astronomy & Steward Observatory Explore Astronomy & Steward Observatory Chemistry & Biochemistry Explore Chemistry & Biochemistry Cognitive Science Explore Cognitive Science Computer Science Explore Computer Science School of Earth and Environmental Sciences Explore the School of Earth and Environmental Sciences Ecology & Evolutionary Biology Explore Ecology & Evolutionary Biology Geosciences Explore Geosciences Hydrology & Atmospheric Sciences Explore Hydrology & Atmospheric Sciences Laboratory of Tree-Ring Research Explore Laboratory of Tree-Ring Research Large Binocular Telescope Observatory Explore Large Binocular Telescope Observatory School of Mathematical Sciences Explore the School of Mathematical Sciences Mathematics Explore Mathematics School of Mind, Brain and Behavior Explore School of Mind, Brain and Behavior Molecular & Cellular Biology Explore Molecular & Cellular Biology School of Mining & Mineral Resources Explore the School of Mining & Mineral Resources Neuroscience Explore Neuroscience Physics Explore Physics Planetary Sciences / Lunar & Planetary Laboratory Explore Planetary Sciences / LPL Psychology Explore Psychology Speech, Language & Hearing Sciences Explore SLHS
