This week's letter to the editor of the Herald Times Reporter draws parallels between failures in the Challenger explosion ...

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, chaotic clouds of debris shaped like cauliflowers. But supernova remnant Pa 30 ...

A lawsuit filed by the sister of a man killed in an explosion at Clairton Coke Works last summer alleges that if owner Nippon Steel had addressed ongoing, known safety concerns at the facility when it ...