Pennsylvania's US Senate race between incumbent Democrat Bob Casey and Republican challenger Dave McCormick is going to an automatic recount.

The secretary of the commonwealth says the unofficial results of Pennsylvania's U.S. Senate race have triggered a mandatory ...

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

While Republicans made gains in national elections, the partisan makeup of both the Pennsylvania state Senate and House will ...

Democrats were projected to win at least 208 House seats and Republicans 215 seats as of Friday. A party needs 218 seats in order to have the majority.

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

The Pennsylvania Senate race is heading for a recount as Republican Dave McCormick continues to lead Sen. Bob Casey (R-Pa.) ...

The U.S. Senate election in Pennsylvania between Democratic incumbent Sen. Bob Casey and Republican David McCormick is headed ...

Republican David McCormick cut into Democratic Sen. Bob Casey's support in Philadelphia and its populous suburbs and built ...

Republicans have won enough seats to keep control of the House of Representatives, ABC News projects, clinching a unified GOP ...