The seat is vacant after incumbent Kyrsten Sinema left the Democratic Party to become an independent in December 2023.

Pa., is leading his Republican challenger, David McCormick, by 9 percentage points among likely voters, according to a new ...

Ted Cruz is losing to Colin Allred for the first time in the U.S. Senate race, according to new polling. The survey, ...

The Senate's majority hangs in the balance of the 2024 election cycle, with more than a dozen seats potentially at play.

Some Democratic voters and lawmakers are concerned that even if they have a strong election, the GOP has a path to capture Senate control — and hinder a Harris agenda.

Pennsylvania Sen. Bob Casey (D) is leading his Republican rival Dave McCormick in new Keystone State polling. In a new poll ...

A Republican-controlled Senate could be a moderating influence on a second Trump administration or a big obstacle to a Harris ...

A poll of voters statewide released Wednesday found that the presidential and Senate races in Wisconsin remain close, ...

The conventional wisdom suggests every incumbent Senate Republican is all but certain to win re-election. But what if the ...

the presidential race isn’t the only one that’s heating up. Republicans aren’t just campaigning to secure a second Trump term ...

Senators will likely leave town without passing Sen. Sherrod Brown's (D-OH) signature rail safety bill, denying him a legislative victory before he faces Ohio voters on Nov. 5.

Incumbent Republican Sen. Brad Zaun and Democrat Matt Blake are running in the Nov. 5 general election to represent Iowa ...