One of those investigations involved a distinctive deep dive into studying the interior of the moon.

A "vital" bridge that carries traffic over I-279 in Ross Township was closed after inspectors found corroded steel in the ...

Officials say the corrosion made it impossible for engineers to determine how much weight the bridge can hold safely.

Allegheny County’s Department of Public Works have closed Jacks Run Road Bridge No. 3 in Ross after workers found severely ...