Texas Sen. Ted Cruz and Donald Trump stood out and traded insults Thursday night, while Chris Christie and Marco Rubio turned in strong debate performances.
Heading into Thursday's debate, the former Florida governor was facing pressure to prove himself before the state primary elections.
After the Republican candidate joked about falling asleep waiting for a question, Twitter users slammed his debate performance.
Stalling in the polls, the Florida senator argued against President Obama's executive actions on guns, in an appeal to the GOP's right.
In one of the most spirited clashes of the GOP debate, The Donald took offense at Sen. Cruz's suggestion that he's not a true conservative.
Republican candidates lashed out at the president's initiatives on immigration and guns, claiming they were unconstitutional and illegal.
The showdown will be Jan. 28 in Des Moines. Will more candidates be knocked off the main stage?
New Jersey's governor said his past donation to the organization was a "personal contribution" for which he should not be criticized.
Trump suggested the Canadian-born Cruz can't run for president because the Constitution requires candidates to be "natural born" citizens.
The senator's mother, Eleanor Darragh, was born in Delaware. Legal scholars say that makes her, and her Canadian-born son, U.S. citiziens.
During Thursday's early Republican debate, the candidate said FBI data show American Jews face more threats than American Muslims.
But the Republican candidate's assertion, made during Thursday's undercard debate, contradicts the findings of numerous studies.
“Unlike another woman in this race, I actually like spending time with my husband,” the Republican candidate said Thursday.
At this point during her previous presidential run, the Democrat was doing much better in national polls.
The first Republican debates of 2016 are being held Thursday night in North Charleston, South Carolina.
According to a TV advertising research agency, eight of the 12 highest-rated political ads on TV are pro-Sanders.
The liberal magazine has endorsed only two other candidates in the Democratic primaries in its 150-year history.
The GOP candidates meet again Thursday to debate with just weeks to go before the first contest in Iowa.
Seven candidates will appear on the main stage during Thursday night's debate.
The network's moderator lineup won rave reviews last year for asking tough but fair questions of the candidates.
Thursday’s Republican debate for the top seven candidates will air at 9 p.m. EST on the Fox Business Network.
The Texas Republican’s failure to specify funds from Goldman Sachs — his wife’s employer — in his 2012 U.S. Senate race has raised questions.