Large plumes of black smoke and flames started coming out of the smokestacks from Marathon Refinery about 5:30 p.m. Tuesday, July 8.

People who live next to the Marathon Refinery are asking for answers and notifications afterhuge plumes of fire and smoke were emitted from two stacks at the r ...

CHEYENNE, Wyo. — A judge has sentenced a Sheridan contractor to two years and nine months in prison for his role in a kickback scheme that targeted Marathon Oil Co.