David McCormick is currently ahead of the incumbent Democratic Senator Bob Casey by a narrow margin, according to the AP.

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

The roughly half of a percentage point margin between the candidates also qualifies the race for an automatic recount.

"Casey was running in a very tough environment for incumbents. ... People are sick of Washington and politics as usual," a ...

Pennsylvania's U.S. Senate race between three-term Democratic Sen. Bob Casey and Republican challenger David McCormick could help Republicans pad their newfound majority.

McCormick has accused Casey of being weak and a career politician. Casey called McCormick a wealthy, carpetbagging ex-hedge ...

David McCormick, Republican, declared his victory over Democrat Sen. Bob Casey in a contentious senate seat race in ...

The race for Pennsylvania’s U.S Senate seat between Bob Casey and David McCormick remains uncalled as ballot counting continues in the swing state. Check live results.

With no decisive winner called in the tight race for Pennsylvania’s U.S. Senate seat, David McCormick’s campaign manager said ...

The race between Pennsylvania U.S. Sen. Bob Casey and GOP opponent Dave McCormick remained too close to call on Wednesday morning. Casey, who is seeking a fourth term in the Senate faced the ...

The next President of the United States has been elected, and several key races in Pennsylvania, New Jersey and Delaware have ...