A small margin in votes separating incumbent Democratic Sen. Bob Casey from Republican challenger David McCormick Jr. has ...

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

Republican David McCormick is projected to defeat Sen. Bob Casey (R-Pa.) in one of the nation’s preeminent battlegrounds, ...

Pennsylvania US Senate candidate Dave McCormick is appealing a decision by the Bucks County Board of Elections as his race ...

Pennsylvania will recount the race between incumbent Democratic Sen. Bob Casey and Republican David McCormick, who leads by ...

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

Bob Casey, a Democratic senator from Pennsylvania, was trailing Republican Dave McCormick by roughly 30,000 votes Wednesday ...

Republican Dave McCormick leads Democratic Sen. Bob Casey by about 28,000 votes, under the 0.5 percentage point threshold for ...

Republicans asked the Pennsylvania Supreme Court Thursday to again ensure that mail ballots with a missing or improper date ...

Pennsylvania's nationally-watched U.S. Senate contest between GOP businessman Dave McCormick and three-term incumbent Sen. Bob Casey will head to a statewide recount, state elections officials ...

The U.S. Senate race in Pennsylvania will now go to a recount, Secretary of the Commonwealth Al Schmidt has announced.

Pennsylvania’s U.S. Senate race is still not official despite Republican Dave McCormick calling for incumbent Democrat Bob ...