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

Senate Republicans are feeling optimistic they’ll expand their majority to 53 seats next year as Sen. Bob Casey (D) is ...

Pennsylvania’s U.S. Senate race between three-term Democratic Sen. Bob Casey and Republican challenger David McCormick could ...

Donald Trump and Kamala Harris are vying to win Pennsylvania, while Bob Casey and David McCormick jockey for the state’s U.S.

Senator Bob Casey, the Democratic incumbent, is an institution in Pennsylvania. His Republican opponent is David McCormick, ...

Pennsylvania Sen. Bob Casey (D) and Republican challenger David McCormick will face Tuesday in the Pennsylvania Senate race.

David McCormick at Donald Trump's Pittsburgh rally. (Charly Triballeau/AFP/Getty Images) Republican Senate candidate Dave ...

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

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.

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