Authorities said their investigation has shifted to the cause of the explosion after they accounted for everyone who was missing.

A deadly explosion at an industrial plant outside Pittsburgh on Monday morning left two people dead and many others injured.

The mill, which is part of the recent merger between U.S. Steel and Nippon Steel, has faced scrutiny from federal and local ...

Yolo County officials have now released their determination for what killed the seven people in July's Esparto fireworks ...