2016 Senate Tracker
Senate Tracker: It's A Nail-Biter In New Hampshire
The candidates in one of the country's most closely watched Senate races faced off in a final debate on Wednesday night.
Senate Tracker: Republican Joe Heck Loses Ground In Nevada
Heck was slightly ahead in the polls, but that has changed since he disavowed Republican presidential candidate Donald Trump.
Senate Tracker: Rubio Maintains Lead In Florida
Polls show Rubio leading in the race, but he has also received criticism for sticking to his endorsement of Donald Trump.
Senate Tracker: What Trump Means For John McCain's Arizona Re-Election Bid
McCain said he would not vote for Trump after tape surfaced last week of Trump talking about sexually assaulting women.
Senate Tracker: Feingold In Tight Race To Win Back Wisconsin Seat
Feingold, a Democrat, is taking on incumbent Republican Sen. Ron Johnson in one of this year's most-watched Senate races.
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Senate Tracker: Two Democrats Face Off For California Senate Seat
It's the first Senate election for an open seat in California in more than two decades. It's also the first time that both candidates are Democrats.
Senate Tracker: A Tough Challenge And A Tightening Race In Illinois
A tough race between Republican Sen. Mark Kirk and Democratic Congresswoman Tammy Duckworth has gone negative.
Senate Tracker: In Indiana, Former Senator Mounts Contested Comeback
After leaving politics for six years, former U.S. Senator of Indiana Evan Bayh enters a tight race for his old Senate seat this summer.
Senate Tracker: In Missouri, A Closer Race Than Republicans Want
Republican incumbent Roy Blunt is facing Democratic Secretary of State Jason Kander. The two are closer than expected in the polls in what's considered a safe Republican seat.
Senate Tracker: Trump, McCrory Impacting North Carolina Senate Race
The state's race is tightening, with two-term Republican incumbent Sen. Richard Burr getting an unexpected challenge from Democrat Deborah Ross.
Senate Tracker: In Reliably Republican Alaska, Challenges From A Democrat And An Independent
Here & Now's Meghna Chakrabarti hears the latest about the race from Liz Ruskin, Washington correspondent for Alaska Public Radio.
Senate Tracker: How Clinton's Growing Strength Could Affect Georgia's Senate Race
Republican incumbent Johnny Isakson is facing off against relative unknown Democrat Jim Barksdale, an investment banker, and an independent, Allen Buckley.
Senate Tracker: Pennslyvania Republican Incumbent Grapples With Stance On Trump
Sen. Pat Toomey has not endorsed Trump, and he has said he is troubled by the candidate, but that he is "inclined to support" the party nominee.
Senate Tracker: Former Presidential Candidate Rand Paul Goes Local In Kentucky
Paul is pivoting attention from his failed White House bid to his re-election campaign, where his opponent is openly gay Democrat Jim Gray.