BY DAVID LAWDER, REUTERS Democrats kept control of the U.S. Senate on Tuesday night, taking over hotly contested Republican seats in Massachusetts ...

BY TOM RAUM, ASSOCIATED PRESS Democrats strengthened their hold on the Senate but failed Tuesday to recapture the majority in the House of Represen...

By DONNA CASSATA, THE ASSOCIATED PRESS WASHINGTON — Democrats won a narrow majority in the Senate on Tuesday, snatching Republican-held seats in ...

WASHINGTON -- Democrats defended their Senate majority Tuesday night, beating Republicans in the swing contests and trouncing the Tea Party in a pair ...

Democrats currently hold a 53 to 47 majority in the Senate, including two independents that caucus with them. After gaining six seats in the 2010 midt...

The 2012 Senate elections are finally here, as well as hundreds of House races across the country. For all of the money being poured into the contests...

The Senate elections in 2012 could result in a shift in party control in the upper congressional chamber. Democrats are looking to prevail over Rep...

With 33 seats up for grabs on Tuesday, the composition of the U.S. Senate stands to add several female voices. Of the 18 women vying to retain or ...

Nov 6 (Reuters) - A year ago, Republicans seemed headed toward capturing the U.S. Senate, now controlled by Democrats by a 53-47 margin. ...

WASHINGTON -- As Election Day arrives, Democrats are in a strong position to maintain their majority in the Senate. But for much of 2012, Democratic c...

Two new independent polls of the Indiana Senate race show Richard Mourdock (R) losing significant ground to his opponent, Rep. Joe Donnelly (D-Ind.), ...

Up until this week, state Sen. Deb Fischer (R) seemed headed to a decisive victory against former Sen. Bob Kerrey (D) in the race for the open U.S. Se...

Blunders by candidates in two pivotal Senate races over the past week could end up putting their campaigns in jeopardy, in turn affecting the overall ...

WASHINGTON -- With less than three weeks to go before Election Day, Elizabeth Warren now appears to be the slight favorite to defeat Sen. Scott Brown ...

WASHINGTON -- The close race for majority control of the Senate comes down to whether Republican candidates in Massachusetts and Connecticut can win o...

Mitt Romney's bounce from the first presidential debate in Denver last week has not significantly affected many of the key races that will decide whic...

North Carolina state Senate candidate Deb Butler (D) released a new ad attacking incumbent Republican state Sen. Thom Goolsby, featuring Butler wieldi...

Sen. Claire McCaskill's (D-Mo.) campaign is going straight after Rep. Todd Akin's (R-Mo.) controversial comments about "legitimate rape," releasing th...

WASHINGTON -- With the exception of Connecticut, where a new poll released on Thursday indicates a very close race for the open Senate seat being vaca...

The Republican Super PACs have millions of dollars to spend, not to save. Watch for their hard-nosed decisions after the first Presidential debate to flood even more money into the competitive small-state Senate races.

The GOP contender for Nebraska's open Senate seat, Deb Fischer, is distancing herself from Mitt Romney's remarks that 47 percent of Americans see them...

WASHINGTON -- In the two weeks since the Democratic National Convention, Democratic Senate candidates have been making considerable gains in the polls...

WASHINGTON -- The U.S. Chamber of Commerce is hammering Maine independent candidate Angus King and Democratic incumbents in Montana and Ohio in a new ...

WASHINGTON -- Senate Republican leader Mitch McConnell says the odds of Republicans taking over the Senate after November's elections and him becoming...

WASHINGTON -- Six-term Sen. Richard Lugar (R-Ind.) seemed all alone in facing an insurgent Tea Party primary challenge from state treasurer Richard Mo...