HILLARY CLINTON

Union cash has poured into pro-Clinton super PACs, even though she's opposing a key part of their policy agenda.

A recent survey reveals that political ad agencies would prefer a Jeb Bush or Marco Rubio candidacy in the general election over Donald Trump.

The company has built a free app that lets caucus chairpersons report results, but Bernie Sanders' team is asking why Microsoft is involved.

It’s the same internet hub — home to 164,000 fans of Bernie Sanders — that helped the candidate raise $1 million.

The caucus could be a turning point for candidates in the race who need a boost, or it could be the moment they choose to end their campaigns.

The Iowa caucus results will serve as important indicators as candidates shift their attention to New Hampshire and South Carolina.

George Soros gave $7 million to a super PAC supporting Hillary Clinton, while Bernie Sanders hauled in $20 million last month from 770,000 donors.

In a sign that his campaign is much more formidable than originally thought, the candidate raised a massive sum in January.

Americans without healthcare coverage have until Monday 3 a.m. EST to either obtain health insurance or be subject to costly penalties.

A day before the caucuses, GOP candidates Donald Trump and Ted Cruz are running neck and neck, with Democratic hopefuls Hillary Clinton and Bernie Sanders in a dead heat.

The state has many independent voters who could secure caucus wins for Bernie Sanders and Donald Trump, depending on how they’re feeling Monday.

Sanders aims for college towns and other strongholds of younger people, whereas Clinton courts rich, older voters who lean more center than left.

Clinton once said Medicare-for-all was inevitable — $13 million of campaign contributions later, she now says it can never happen.

About 73 percent of likely voters in November say they believe the U.S. is on the wrong track, according to a new opinion poll.

The endorsements of Democratic and Republican presidential candidates were made a couple of days before the caucuses conducted by early-voting Iowa.

Wintry weather Monday evening is likely to raise concerns among some presidential candidates about voter turnout.

The former Alaskan governor's political action committee has nearly exhausted its reserves, with funds at their lowest level, a report said.

In a New York Times op-ed, Sen. Elizabeth Warren notes that enforcing existing laws is just as important as legislative agendas.

Women's votes will likely be important for the former secretary of state as she battles Vermont Sen. Bernie Sanders in the Iowa caucuses Monday.

The U.S. senator from Florida commanded the stage at Thursday's GOP debate with powerful rhetoric about how to defeat extremist groups.

The debate in Des Moines unfolded days before the Iowa caucuses Monday, the nation's first nominating contest, and as Republican front-runner Donald Trump decided to boycott the Fox forum.