Hillary Clinton's status as the clear front-runner appeared to remain unchallenged after Saturday night's debate.
Jeb Bush was the most active on Twitter, criticizing Hillary Clinton for her policies on fighting ISIS.
Sanders and Clinton split, while O'Malley said he could offer the perspective of a "different generation."
Many on the internet were asking whether there's actual proof of ISIS using Donald Trump videos to boost anti-Western sentiment.
The Vermont senator heaped praise upon the king of Jordan, not for the first time, during Saturday's Democratic debate.
“We always have to balance liberty and security, privacy and safety, but I know law enforcement needs the tools to keep us safe,” Clinton said.
Early on in the presidential debate, former Maryland Gov. Martin O'Malley constantly looked to get a word in edgewise, to no avail.
Bernie Sanders is far ahead of Hillary Clinton — at least on Twitter.
The next Democratic presidential candidate debate will be hosted Jan. 17 by the Congressional Black Caucus in Charleston, South Carolina.
The Democratic National Committee's reliance on a single software firm to handle its database raises trust concerns.
If there's a "Star Wars" reference, drain the bottle.
The House Judiciary Committee chairman says there's no proof Farook met Malik met before she was cleared for immigration, as required by law.
Employing a format popularized by David Letterman, U.S. President Barack Obama listed his top 10 accomplishments of the year Saturday.
Martha Raddatz and David Muir are expected to moderate the third Democratic presidential debate of 2015.
In addition to streaming online, ABC News' debate broadcast will be available on its Apple TV, Roku and Xbox One apps.
Hillary Clinton has increased her lead over Bernie Sanders since the last Democratic presidential debate in October.
Bars from Queens to Brooklyn are hosting screenings and watch parties.
Here's a rundown of everything you need to know to tune in to the last Democratic U.S. presidential debate of 2015.
Here's how the three candidates rank in the polls before Saturday's debate in Manchester, New Hampshire.
Ski season travelers may be interested in Colorado's cannabis culture, but tourism offices aren't yet ready to tout it.
Many in the U.S. say Santas of various ethnicities and nonwhite depictions of Jesus are reassuring in an era of racial tension.
The defense contractor's move comes a day after it sued the Pentagon over its awarding Oshkosh a $6.75 billion contract for 17,000 new trucks to replace aging combat vehicles.
Obama said he was moved by the families' emphasis on tolerance and described them as representatives of "strength, unity and love.”
The move comes after Bernie Sanders filed a $600,000 lawsuit against the Democratic National Committee for suspending his campaign’s access to voter files.
The hospitals, located in 15 states, frequently billed Medicare for inpatient stays following an outpatient spinal procedure.
The president appeared for a year-end news conference shortly before traveling to San Bernardino, California, and Hawaii.
Negotiations on Capitol Hill were mostly free of the acrimony that has blighted similar talks for the past five years.
Rahm Emanuel and an Illinois state's attorney have been under fire over a long delay in charging a white police officer in the death of a black teen.
Deaths from opioids such as prescription pain killers and heroin accounted for 61 percent of overdose deaths and increased 14 percent in 2014, the CDC said.
Beginning Friday, if you get caught with small amounts of weed in the state, you only will be fined.