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.

The tight US Senate race in Pennsylvania has yet to find a winner. Senator Bob Casey and Republican Challenger Dave McCormick are separated by just tens of thousands ...

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.

Pennsylvania’s Senate contest between Democratic incumbent Bob Casey and Republican challenger David McCormick is still too ...

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

As of Wednesday afternoon, U.S. Senator Bob Casey and his Republican opponent Dave McCormick remained in a tight race that is ...

Republican Donald Trump was elected the 47th president of the United States on Wednesday, an extraordinary comeback for a ...

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

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

Incumbent U.S. Sen. Bob Casey is not ready to give up his seat just yet, even as the margin of votes show the three-term ...

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 ...