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

U.S. Senate candidate David McCormick of Pennsylvania sought a court order to allow the Republican to make mass challenges to ...

Republican David McCormick is projected to defeat Sen. Bob Casey (D-Pa.) in one of the nation’s preeminent battlegrounds, ...

Pennsylvania Democrats want to count undated and improperly dated mail-in ballots as part of the McCormick-Casey recount.

Republicans are going to court in Pennsylvania amid vote counting in the U.S. Senate election between Democratic Sen. Bob ...

Republicans asked the Pennsylvania Supreme Court Thursday to again ensure that mail ballots with a missing or improper date ...

The Pennsylvania Senate race between incumbent Bob Casey, left, and his Republican challenger, Dave McCormick, is headed for ...

McCormick filed the appeal along with the Republican National Committee and the Republican Party of Pennsylvania in the Court ...

As a statewide recount looms, Bob Casey and Dave McCormick are fighting over remaining ballots in county board rooms and ...

The elections of Ryan Mackenzie and Rob Bresnahan Jr. came amid a red wave in Pennsylvania as Republicans bid to maintain ...

NBC News hasn't called the Senate race in Pennsylvania, where Democrats are holding out hope even as Republican Dave ...

The president-elect is testing the loyalty of Republican in Congress, leaving even his close allies nervous about the ...