It has been more than three months since North Dakota increased the speed limit on its interstate highways to 80 mph.

Tariffs placed on imports from other nations also have affected the costs of goods purchased by a wide range of South Dakota businesses.

SD's attorney general is criticizing the state's prison system as DCI opens another investigation into a suspected drug ...

Sanford Health plans to build Black Hills Medical Center in Rapid City, thanks to a $300 million gift from T. Denny Sanford.