Scott Detrow

South Bend, Indiana Mayor Pete Buttigieg stood out during the last presidential debate. He's now trying to turn that moment into a bump in the polls, focusing most of his attention on Iowa.

After Tuesday night's debate, several Democratic presidential candidates headed back to Iowa, which will hold the first contest in 2020.

Twelve Democratic presidential contenders took to the debate stage in Westerville, Ohio, Tuesday night. The issue of impeachment was at the top of the agenda.

Twelve Democratic candidates debate Tuesday in Ohio, as the race has been shaken by impeachment, Bernie Sanders' heart attack and Elizabeth Warren's challenge to longtime front-runner Joe Biden.

The former vice president had sparingly responded to President Trump's attacks. But this week, Biden explained his dealings with Kyiv as "fully transparent policy" of the United States.

Former Vice President Joe Biden is now a key figure in President Trump's Ukraine scandal. He's trying to condemn Trump's actions without fueling the false claims at the center of the story.

At the center of the impeachment inquiry against President Trump is the revelation that he asked Ukraine's leader to investigate Biden and his family for an unsubstantiated claim. Biden's response so far has been mostly restrained.

President Trump says notes from his phone call with the Ukrainian leader show it was "nothing." Democrats argue otherwise as some Republicans echo Trump's take.

House Speaker Nancy Pelosi announced that the House would move ahead with an official impeachment inquiry into President Trump. The move follows a phone call Trump had with Ukraine's new president.

The former vice president, who is at the center of Trump's Ukraine call controversy, is now in favor of impeachment if the president doesn't comply with Congress.

The veteran journalist, who died on Tuesday at 75, was one of NPR's "Founding Mothers." Roberts' funeral was held Saturday morning at the Cathedral of St. Matthew the Apostle in Washington, D.C.

The presidential candidate, in a Nevada campaign stop, pushed back on criticism of his "Medicare for All" plan. Instead of asking Sanders questions, people have vented about health insurance problems.

Democratic candidates debate tonight, with the top contenders all on one stage. Issues from healthcare and foreign policy, to who is best positioned to beat President Trump, divide the field.

Ten Democratic presidential candidates will be in Houston Thursday. Former Vice President Joe Biden and Mass. Sen. Elizabeth Warren will be in the spotlight, as they meet on stage for the first time.

When today's children someday ask what Sept. 11 was really like, Garrett Graff's book will be the answer: He vividly recounts the most upsetting and totemic moments — and critical, little-told others.

The Democratic National Committee won't permit Iowans to join party caucuses remotely. Officials worry that hackers could compromise the system and affect voting.

The former vice president heavily courts labor votes. But a large union that's a key player in Pennsylvania politics is feeling repeatedly snubbed by Joe Biden, and he's skipping an upcoming forum.

Ten Democratic candidates have qualified for the next debate as the fundraising and polling benchmarks doubled. That's hastened exits from the race for several candidates, as others defiantly go on.

Campaigns typically hold fundraisers to pull in big checks from wealthy supporters. But now, several Democrats running for president are holding fundraising events for small-dollar donors.

Climate activists have been pushing the Democratic party to hold a debate on their issue. Most candidates have clear plans to combat climate change, with Bernie Sanders releasing his on Wednesday.