Update 11 p.m.: After a tight race all evening, Democrat Timothy Kaine walked way with 50.7 percent of the vote while Republican George Allen captured 49.3 percent of the vote.
In Missouri, Democrat Claire McCaskill beat Republican Todd Akin.
In Utah, Republican incumbent Orrin Hatch cleared 52.1 percent while Democrat Scott Howell only garnered 44.5 percent.
Update 10 p.m.: Senate Democrats pick up two Republican seats with loses in Massachusetts and Indiana. It is expected that Democrats will maintain control of the Senate.
In Massachusetts, Elizabeth Warren wins with 52.1 percent over Scott Brown with 47.9 percent.
In Indiana, Democrat Joe Donnelly wins with 48.2 percent of the vote over Republican Richard Mourdock???s 45.7 percent.
In Ohio, Democratic incumbent Sherrod Brown wins with 53.2 percent over Republican Josh Mandel???s 42.3 percent.
Mississippi Republican Roger Wicker won 60.5 percent of the vote over Democrat Albert Gore???s 37.2 percent. Gore is not related to former Vice President Al Gore.
New Jersey Democratic incumbent Bob Menendez wins 60 percent over Joe Kyrillos with 38 percent.
Update: 9:30 p.m.: In Pennsylvania, Democrat Bob Casey wins with 68.3 percent over Republican Tom Smith with 30 percent.
In Texas, Republican Ted Cruz cruised to an easy victory with 56.4 percent over Democrat Paul Sadler with 41.4 percent.
Michigan Democratic incumbent Debbie Stabenow with 56.4 percent defeated Republican Pete Hoekstra with 40 percent.
Wyoming Republican incumbent John Barrasso has been declared the winner over Democrat Tim Chesnut.
Minnesota Democrat Amy Klobuchar has been declared the winner over Republican Kurt Bills.
New York Democratic incumbent Kirsten Gillibrand has been declared the winner over Republican Wendy Long.
Update: 9 p.m.: In Maine, Independent Angus King won over his Democratic and Republican rivals with 51.2 percent of the vote. Republican Charlie Summers ran second with 27.9 percent and Cynthia Dill, the Democratic candidate, ran third with 14 percent.
Vermont Independent incumbent Bernie Sanders won with 68.5 percent of the vote over Republican challenger John MacGovern with 25.9 percent.
In Connecticut, Democrat Chris Murphy won with 68.9 percent of the vote over Republican Linda McMahon with 29.9 percent.
West Virginia Democratic incumbent Joe Manchin won with 61.9 percent over Republican challenger John Raese who carried 34 percent of the vote.
Indiana has not been called, however Democrat Joe Donnelly has a two percent lead over Republican Richard Mourdock. We are still awaiting final results in Virginia, but George Allen is maintaining the lead over Timothy Kaine by four percent.
Update: 8:30 p.m.: The Associated Press is reporting that Connecticut Republican challenger Linda McMahon will lose to Democrat Chris Murphy.
Tennessee incumbent Republican Sen. Bob Corker wins with 56 percent over Democrat Mark Clayton with 38.8 percent.
Florida incumbent Democrat Sen. Bill Nelson wins with 56.7 percent over Republican Connie Mack with 41 percent.
Maryland incumbent Democrat Ben Cardin has been declared the winner over Republican challenger Dan Bongino.
Rhode Island incumbent Democrat Sheldon Whitehouse wins with 57.3 percent over challenger Barry Hinckley with 42.7 percent.
Delaware incumbent Democrat Tom Carper has been declared the winner over Kevin Wade.
With Republicans expected to maintain control of the House, what happens in Senate races across the country tonight will determine whether Congress will remain in gridlock for the next two years.
Democrats led by Majority Leader Harry Reid of Nevada hold the reins to power in the Senate with a 53-seat majority over Republicans??? 47 seats.
If Romney wins, Republicans only need to win three seats to take the majority ??? Vice President Paul Ryan would hold the tie-breaking vote.
If Obama is re-elected, Republicans will need four states.
With most of the polls closed on the East Coast no races have so far been called. Some of the key race results to watch for in this space include the Senate contests in Indiana, Virginia, Missouri, Pennsylvania, Ohio, Nevada, Arizona, Montana, Massachusetts and North Dakota.
So far in Indiana, Democrat Joe Donnelly is leading with 50 percent of the vote and Republican Richard Mourdock has 43.9 percent, that ‘s with less than 23 precent of the precincts reporting.
In Virginia, Republican George Allen has 50.8 percent of the vote, a slight lead over Timothy Kaine with 49.2 percent. Those results are with less than 11 percent of the precincts reporting.