The Republican National Committee argued that counties do not have the authority to allow voters in the swing state to correct ballots that do not comply with the rules.

Pennsylvania's Supreme Court is siding with lower court decisions to block two third-party presidential candidates from the battleground state's ballot in November's election.

The Pennsylvania Supreme Court ruled Friday that mail-in ballots without the correct dates on envelopes cannot be counted in elections.

The Pennsylvania Supreme Court ruled that mail ballots that are improperly dated won't be counted in November, a move that could have major implications in the battleground state.

Pennsylvania’s Supreme Court on Monday upheld a lower court ruling that rejected a bid to get independent presidential candidate Cornel West on the ballot for the November election in the battleground state.

Voters in Pennsylvania are not yet able to cast ballots, despite confusion over a state law concerning applications for mail ballots

The Republican Party is asking the Pennsylvania Supreme Court to find it illegal for county boards of elections to alert voters to defective mail-in ballots and give them the chance to correct any errors.