PITTSBURGH (KDKA) -- U.S. Steel says it may have to move its headquarters from Pittsburgh and thousands of union jobs could be at risk if its sale to the Japanese company Nippon Steel fails.

PITTSBURGH, PA — U.S. Steel on Wednesday warned thousands ... workers prepared to rally in support of the deal at the U.S. Steel Tower Downtown. Without the Nippon Steel transaction, U.

An environmental group wants state regulators to tighten water pollution requirements for U.S. Steel to get the company to ...

PITTSBURGH — Construction began on the Nativity scene at the U.S. Steel Tower on Wednesday. It is the world’s only authorized replica of the Vatican’s St. Peter’s Square display in Rome ...

On the final day of his election campaign, Donald Trump stood on stage in Pittsburgh flanked by steelworkers and promised to protect American jobs and manufacturing. Curiously absent from his speech ...

This week's list features the largest Commercial Property Managers in the Pittsburgh region ... among those the U.S. Steel Tower, 525 William Penn Place and Federated Hermes Tower, according ...