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

The Republican Senate candidate points to clear rulings from the Pennsylvania Supreme Court that undated and incorrectly ...

Republican Dave McCormick won the U.S. Senate election in Pennsylvania, Decision Desk HQ projected on Thursday, beating ...

An automatic recount has been triggered in the U.S. Senate race in Pennsylvania between Bob Casey and Dave McCormick. Here's ...

The RNC filed two new lawsuits in Pennsylvania after several state boards of elections voted to count several undated mail ...

GOP businessman Dave McCormick slightly widened his lead over Pennsylvania Sen. Bob Casey in the vote count this past weekend ...

The tight margin in the Senate race between Sen. Bob Casey, D-Pennsylvania and Republican Sen.-elect Dave McCormick has ...

Pennsylvania's US Senate race between incumbent Democrat Bob Casey and Republican challenger Dave McCormick is going to an ...

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

NEW STORY: Republican Dave McCormick flips pivotal Pennsylvania Senate seat, defeating Bob Casey Pennsylvania’s three-term ...

Unofficial Pennsylvania vote totals so far have Dave McCormick beating three-term Democratic U.S. Sen. Bob Casey.

There are simply not enough votes left for Bob Casey Jr., the incumbent Democratic U.S. senator demanding a recount in ...