Several media outlets projected that Republican Dave McCormick would defeat Democratic Senator Bob Casey in Pennsylvania, giving Trump's party at least 53 seats in the 100-seat chamber next year. That margin could climb as high as 55 seats if Republicans ...

Donald Trump's Republicans were projected to pick up another U.S. Senate seat on Thursday and appeared to be retaining their hold on the House of Representatives, putting them on track to control both chambers of Congress next year.

HARRISBURG, Pa. — Three races for the U.S. House in Pennsylvania remained uncalled by The Associated Press on Wednesday, as vote counting continued and Republicans fought to keep their slim majority in the chamber. A House majority would give the GOP a full sweep of power in Congress alongside President-elect Donald Trump in the White House.