South Dakota

South Dakota is a U.S. state in the upper Midwestern United States. It is named after the Lakota and Dakota Sioux Native American tribes, who comprise a large portion of the population and historically dominated the territory. South Dakota is the seventeenth largest by area, but the 5th least populous, and the 5th least densely populated of the 50 United States. As the southern part of the former Dakota Territory, South Dakota became a state on November 2, 1889, simultaneously with North Dakota. It is either the 39th or 40th state admitted to the union. President Benjamin Harrison shuffled the statehood papers before signing them so that no one could tell which became a state first. Pierre is the state capital, and Sioux Falls, with a population of about 187,200, is South Dakota's largest city. South Dakota is bordered by the states of North Dakota, Minnesota, Iowa, Nebraska, Wyoming, and Montana.

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Scientists are building tunnels under South Dakota for a $3 billion experiment that could solve some of the universe's grandest mysteries

Paleontologists Discover New Species of Oviraptorosaur in South Dakota

NASA is looking for proposals from educational institutions and nonprofit organizations to fly CubeSats through its CSLI program. They're particularly interested in proposals from Delaware, Mississippi, Nevada, North Carolina, Oklahoma, South Carolina, South Dakota and Wyoming.