Utah State University (USU) has more than 40 academic departments at colleges of agriculture, arts, business, education and human services, engineering, science, natural resources, and humanities and social sciences. It offers more than 170 bachelor's degree programs and about 140 graduate degree programs. Biology, elementary education, mechanical and aerospace engineering, and business administration are among the university's most popular majors. About 29,000 students attend its main campus in northern Utah, its three branch campuses, or extension facilities located across the state. USU was established in 1888 as an agricultural college.