Republican Dave McCormick, an Army veteran and former hedge fund CEO, has unseated three-term Democratic Sen. Bob Casey Jr.

Republicans are going to court in Pennsylvania amid vote counting in the U.S. Senate election between Democratic Sen.

The Associated Press called the race for Republican David McCormick when Casey was trailing him by about 30,000 votes.

Aside from once-and-future President Donald Trump's unexpectedly decisive win, one of the most surprising results in ...

In the race for a critical Senate seat, Pennsylvania incumbent Bob Casey Jr. was challenged by Republican Bob McCormick.

Pennsylvania Democratic Senator Bob Casey refuses to concede his race to Republican Dave McCormick, even though U.S. media ...

Is Pennsylvania’s U.S. Senate race over? It depends whom you ask. And for Republican Dave McCormick, declared the winner by ...

The U.S. Senate race between Republican Dave McCormick and Democratic Sen. Bob Casey will go through a recount after the ...

"This race is within half a point and cannot be called while the votes of thousands of Pennsylvanians are still being counted ...

The U.S. Senate election in Pennsylvania between Democratic incumbent Sen. Bob Casey and Republican David McCormick is headed ...

Republican David McCormick cut into Democratic Sen. Bob Casey's support in Philadelphia and its populous suburbs and built ...

The Associated Press says Republican Dave McCormick has unseated Sen. Bob Casey, winning a Pennsylvania U.S. Senate seat that ...