NATIONAL

Republican presidential front-runner Donald Trump has challenged his supporters not to let an impending snowstorm keep them from the key voting event.

GOP and Democratic contenders made a final push to turn out supporters Monday in the hours leading up to the state's caucus.

While the polls show Donald Trump with a clear lead in the GOP field ahead of the caucus Monday night, his rivals believe they can turn things around.

The day commemorating President Abraham Lincoln's 13th Amendment proposal is designated as an observance, not a public holiday.

A survey of 51 economists by the Financial Times now pegs the chances of the U.S. economy sinking into recession at 20 percent.

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.

The police-involved death of Mario Woods in December led to protests in the city, with some demonstrators claiming excessive force was used.

Natalie Keepers’ arrest comes a day after another student from the university was taken into custody for abducting and killing 13-year-old Nicole Lovell.

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.

With a review expected in the coming week from Brussels, the head of Ofcom spoke out on the proposed merger of mobile services O2 and Three.

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

A complaint filed in Iowa by a former Trump staffer says the campaign fired her but not men and paid her less.

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.

Did you know Canada observes Black History Month in February, too?

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

In a video released online, the holdouts expressed their mistrust of the U.S. government and their reluctance to leave the Malheur National Wildlife Refuge.

Republicans Donald Trump and Ted Cruz, locked in a tight race in Iowa, urged their supporters to give them the first victory of the 2016 campaign.

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

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 candidate was set to host a concert for Iowa youth Saturday night ahead of Monday's caucuses, which could make or break his 2016 campaign.

A motorcycle show was scheduled to be held at the National Western Complex this weekend.

The president previously has made official visits to mosques outside the U.S., but not inside the country.

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

Federal authorities have urged residents of the Michigan city to get their water supplies checked for lead.

U.S. Sens. Ted Cruz and Marco Rubio are appealing to Iowan women in search of a president who can protect their families from terrorism.

Under the terms of a recent deal, China has committed to purchase $5.3 billion worth of soybeans from Iowa farmers in a single marketing year.

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