HARRISBURG, Pa. (AP) — Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel ...

U.S. Steel released preliminary findings about the potential cause of Monday's deadly explosion at U.S. Steel Clairton Coke ...

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

Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...

Timothy Quinn, 39, of East Huntingdon Township, also died in the incident. Ten other people were injured. Three of them are ...

The investigation asking if companies in Esparto were involved in activities beyond what their licenses permitted will ...

U.S. Steel last year settled a lawsuit brought by environmental groups over emissions that stemmed from the 2018 Clairton ...

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

Firefighters in Avon, Massachusetts are warning residents about the dangers of tabletop fire pits after one exploded inside a ...

Five people were killed and at least 20 were injured in the blast that sparked a huge fire at the Elastik gunpowder plant just over 100 miles southeast of Moscow.

An explosion in northern Peru has injured at least 10 people and damaged 25 homes. Authorities on Friday said the blast in ...