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 ...

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 ...

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

The Pennsylvania Senate race between incumbent Bob Casey, left, and his Republican challenger, Dave McCormick, is headed for ...

Pennsylvania Democrats want to count undated and improperly dated mail-in ballots as part of the McCormick-Casey recount.

Pennsylvania’s U.S. Senate race is still not official despite Republican Dave McCormick calling for incumbent Democrat Bob Casey to concede. A recount is coming but some counties still haven’t ...

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 ...