In the fight for control of the US Senate, the majority may come down to which factor carries more weight: the map or the environment.

Senate candidate Littell wants to fight for living wages, affordable health care ...

Washington and Oregon’s mail-in voting systems are now at the center of a growing national political fight. U.S. Senator Maria Cantwell (D-Wash.) joined local voter rights activists in Vancouver ...

Sen. Mike Lee, R-Utah, leads the campaign to win 50 Republican votes for a conservative voter ID bill, but Senate Democrats plan to block the SAVE America Act in Congress.

On day one of early voting, Ken Paxton told John Cornyn to "come home" as their heated GOP Senate primary battle intensifies.

The Senate is rumbling toward a likely successful vote on a package of three funding bills, but it’s what comes next that some lawmakers are worried about. The upper chamber is expected to pass a ...

Meet the candidate: Sarah Adlakha running for Senate ...

Senate Republican Leader John Thune warned Thursday that Congress is not close to an agreement to fund the Department of ...

Washington: A sharp political fight erupted in the US Senate over federal immigration enforcement tactics and civil liberties, in a debate closely watched by immigrant communities, including Indian ...

Democrat Nathan Sage is ending his campaign for Iowa's open U.S. Senate seat, leaving two high-profile Democrats competing to ...

Read what candidates in the Democratic primary for U.S. Senate think about the top issues of the day.