Bob Casey Jr. entered the U.S. Senate 18 years ago as a pro-life Democrat opposed to same-sex marriage and resistant to new ...

Longtime Democratic Pennsylvania Sen. Bob Casey and Republican challenger Dave McCormick squared off in their second Senate ...

Democratic U.S. Sen. Bob Casey and Republican challenger David McCormick disagreed on clean energy policy, gun laws and ...

The battle for Pennsylvania’s 19 electoral votes may garner the most headlines nationwide, but the race for its U.S. Senate ...

The second and final debate of Pennsylvania’s nationally watched U.S. Senate race in many ways felt like a rerun of the fiery ...

Dave McCormick has closed the gap in Pennsylvania’s U.S. Senate race against Bob Casey, according to a new Emerson College ...

Senator Bob Casey and Dave McCormick hit the campaign trail the morning after a very spirited debate in their U.S. Senate ...

Both campaigns have said they expect the U.S. Senate race in Pennsylvania to be decided by a razor-thin margin.

Barack Obama headlined a Harris campaign rally in Pennsylvania, sharing how the contest is about character and values as much ...

Attacks by McCormick: an accusation about Chinese lobbying money plus a gratuitous insult about Punxsutawney Phil. The AP ...

Three-term U.S. Sen. Bob Casey (D-Pa.) had the strongest fundraising quarter of his career, doubling what Republican ...