Scott Detrow

The victory, projected by The Associated Press, comes in another close race with Pete Buttigieg, the former mayor of South Bend, Ind. The two had a virtual tie in the still unsettled Iowa caucuses.

Hours before polls close in the New Hampshire primary, the Democratic presidential race appears unsettled and unpredictable. Will New Hampshire winnow the field or merely extend the confusion?

The split between moderate and far-left Democrats only grew over the course of the 2016 presidential race. Now it's becoming one of the defining features of the 2020 race.

Voters head to the polls in New Hampshire Tuesday for the second Democratic presidential nominating contest. Meanwhile, the candidates have sharpened their criticisms of one another.

Ahead of the New Hampshire primary, former Vice President Joe Biden is drawing contrasts with other Democrats in the race, and Senator Bernie Sanders show signs of a surge ahead of Tuesday's vote.

After a fourth-place finish in Iowa, former vice president Joe Biden was more aggressive, taking shots at the Vermont senator and Indiana mayor. New Hampshire voters will make their picks Tuesday.

The Iowa Democratic Party has released results from 62% of precincts in the state's caucuses, showing Pete Buttigieg with a slight lead over Bernie Sanders in delegates. Sanders leads in raw votes.

Iowa Democrats are releasing partial results from last night's caucuses, after technical problems caused massive delays and confusion.

What are the stakes tonight for each of the candidates in Monday night's Iowa caucuses? Here's what the Democratic field stands to gain or lose — and how they're making their final arguments in Iowa.

The stakes are high in Iowa — the last four Democratic nominees have all won the Hawkeye state. The pressure is on Vermont Sen. Bernie Sanders who has led in the polls coming into the caucuses.

Several days before Iowa Democrats kick off the 2020 presidential nominating contest, President Trump held a reelection rally Thursday night in Des Moines.

Democratic senators were off the campaign trail with the impeachment trial underway, but they still managed to argue about substance and style. Meanwhile, the race in Iowa remains volatile.

The two Democratic presidential candidates are increasing their scrutiny of each other's long records.

The four senators running for president will mostly be off the campaign trail in the final days before Iowa votes. They'll work around the impeachment trial with Skype, surrogates and red-eye flights.

The Democratic senators running for president are making their pitches to voters before they get stuck in Washington to attend the impeachment trial as jurors.

Four senators will have to interrupt their Democratic presidential campaigns to adjudicate the Senate impeachment trial of President Trump. They're loading up their campaign schedules this weekend.

Democratic presidential campaigns are spending more time and resources on get out the vote efforts. NPR followed the Biden campaign on the ground in New Hampshire.

The former vice president blasted President Trump's decision to kill Iranian Maj. Gen. Qassem Soleimani. So too did Sens. Bernie Sanders and Elizabeth Warren.

The former housing secretary backing the Massachusetts senator is the most high-profile endorsement yet from a former candidate.

The Massachusetts senator raised $21 million in the final quarter of 2019, less than in the previous three months. Bernie Sanders, Pete Buttigieg, Joe Biden and others saw boosts in fundraising.