The current tally has incumbent Senator Bob Casey and challenger Dave McCormick within the one-half of 1 percent margin ...

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 ...

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

Democratic norms alert! The Associated Press and others have called the hotly contested Pennsylvania Senate race for GOP ...

The Presidency and Senate have resoundingly fallen into Republican hands – and while House control has yet to be decided, a Trump trifecta appears to be a very viable potential outcome.

McCormick cut into Casey's leads in Philadelphia and its suburbs and built leads in the more GOP-leaning parts of Pennsylvania, foreclosing the incumbent's pathway to victory when the AP called the ...

In his bid for re-election to the U.S. Senate, Pennsylvania Democratic stalwart and Scranton political scion Bob Casey faces ...

McCormick has a more than 31,688-vote lead, with roughly 99% of the vote counted. The Associated Press has called the race ...

With 19 electoral votes, Pennsylvania could be the key to winning the White House. Voters will also decide one U.S. Senate ...

Republicans flipped the Senate with projected wins in a number of key races, cementing their majority in the upper chamber.