A bus tour will zip through eastern South Dakota Thursday, where local leaders, health care providers and farm voices want to ...

South Dakota is a crucial part of the 2,500-mile pipeline across five states -- including Iowa -- estimated to cost $8.9 billion ...

The massive carbon capture pipeline in the Midwest has been thrown into uncertainty after South Dakota’s Public Utility ...

The northern lights may be visible as far south as Idaho, New York and South Dakota following strong solar storm activity.

A spot on the sun’s surface will likely disrupt Earth’s magnetic field, pulling the phenomenon to more states, forecasters ...

Auroral activity is forecast with a Kp index of four on a scale of nine for Tuesday night, suggesting the northern lights ...