The Associated Press called the Pennsylvania Senate race for Dave McCormick Thursday. It's a stunning upset. Here's how he did it.

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

Pennsylvania's U.S. Senate contest between Democratic incumbent Bob Casey and Republican challenger David McCormick was still ...

On the campaign trail, President-elect Donald Trump promised wholesale change for the nation. It will begin even before his ...

A trio of Democrat senators who were all elected during the blue-wave 2006 midterm cycle lost their re-election bids this ...

It took until Thursday before winners were declared in the US Senate race between incumbent Sen. Bob Casey and Dave McCormick and the 10th Congressional contest between incumbent Rep. Scott Perry and ...

There’s something about an election that is both cleansing — especially for my pre-Election Day email inbox — and, most ...

Close loss brings the curtain down on 28 years in statewide office for Sen. Robert Casey Jr., and, maybe, a Pennsylvania ...

While the constitutional amendments on recreational cannabis and abortion rights both received strong support on Election Day ...

It's been more than 24 hours since the presidential race was called for Trump in Pennsylvania, but the state remains embroiled in a tight U.S. Senate race between incumbent Bob Casey (D) and David ...

Voters in District 28 opted for the GOP’s Tamara Grove over longtime incumbent Democrat Shawn Bordeaux, and Republican Jana ...

Republican Tim Sheehy bolstered the GOP's newly acquired Senate majority with a victory over three-term Democratic U.S. Sen.