The presidential candidate's first event was shut down, and the second had record attendance.
"When I'm attacked, I fight back. ... Am I allowed to defend myself? What they said about me was far worse."
Republican U.S. presidential hopefuls Lindsey Graham, George Pataki and Carly Fiorina each ripped their rival for his disparaging remarks about Megyn Kelly.
After attempting to clarify his Megyn Kelly "blood" comment, The Donald splits with longtime adviser Roger Stone and slams an editor for bouncing him from an Atlanta event.
Don't expect the field to narrow soon: Republican candidates have a strong incentive to stay in the race.
The years spent watching their father rise through the political ranks have made them poised to play critical roles in his presidential campaign.
Some 24 million people tuned into Fox News for Thursday’s Republican primary, a record for a non-sports cable telecast.
A "Live Story" stream from Thursday's event in Cleveland offered content from candidates, attendees and commentators alike.
The network gave the Republican candidate more air time than his GOP rivals in recent weeks. Was it building him up to knock him down?
The Republican presidential candidate gained 24,000 new Twitter followers and 230,000 Facebook fans after Thursday's GOP debate.
With the 2016 campaign season heating up, the social network proved that television networks are now much more than just talking heads.
Facebook blew up Thursday after a heated exchange between Chris Christie and Rand Paul, which centered around NSA spying.
The Democratic presidential candidate was also due to unveil a proposal specifically for students enrolled at historically black colleges.
Fox News, known as the GOP's stomping ground, gave the Republican candidates a tough going-over on Thursday night.
Donald Trump "wants to be the Republican nominee," RNC chief Reince Priebus told CNN in an interview.
The candidate dominated headlines after the GOP debate, but complained about being grilled over sexist remarks.
During Thursday's GOP debate, the New Jersey governor twice claimed that he was nominated as U.S. attorney for the District of New Jersey a day before 9/11.
The GOP presidential hopeful made O'Donnell the butt of a joke during Thursday's Republican presidential debate, and she had some choice words to offer in response.
Donald Trump drew the most attention — negative and positive. Rubio, Christie, Huckabee and Carson did well. Bush did ... not much.
Trump did not see his financial past as clear-cut as the moderators did Thursday evening at the first GOP debate in Cleveland.
The Fox News host's confrontation with the GOP front-runner over misogynistic comments garnered immediate praise from both sides of the political aisle.
Rubio's campaign has tried to position him as the Barack Obama of the Republican Party.