President Donald Trump’s impeachment trial is set to unfold at the Capitol in a contentious proceeding to render judgment on his actions.

Democratic presidential candidate Joe Biden has returned to Iowa for another campaign swing with less than two weeks before the Feb. 3 caucuses.

John Roberts is starting to juggle two jobs as the impeachment trial of President Donald Trump gets underway.

Hillary Clinton says “nobody likes” her former presidential rival Bernie Sanders, even as the Vermont senator remains among the front-runners in the Democratic race.

Democratic White House hopefuls are deploying surrogates across the early primary states and beyond as they try to make up for their limited time on the trail.

President Donald Trump is on a mission to sell the United States to the global business community just as his historic impeachment trial gets underway in the Senate.

Senators like to float above messy politics in what's known by some as the dignified “upper chamber," home of Congress' cooler heads and lofty rhetoric.

AP Explains: U.S. Senate impeachment trial

President Donald Trump's strong support from white evangelicals is handing Democrats a challenge: How do they connect with a Christian voting bloc so strongly identified with Trump? It's a question that comes up less often during the Democratic primary but promises to become more critical heading into the general election.

The Democratic Party's leading presidential hopefuls are splitting their time between the critical early-voting states South Carolina and Iowa at events celebrating Martin Luther King Jr. Day.

With voting to begin in just two weeks, the sprint to the Iowa caucuses is unmistakably complicated by the beginning of President Donald Trump's historic impeachment trial in the Senate.

The impeachment trial of President Donald will resume this week and may start with a fight over the ground rules.

Joe Biden and Bernie Sanders are proving to be two of the most durable candidates in the Democratic presidential primary.

With just weeks to go until the first contests of the 2020 Democratic presidential primary campaign, several groups are organizing grassroots efforts aimed at convincing voters they should back candidates who fully support the “Medicare for All” legislation from which the phrase is derived.

Republican Ohio State Senator Michael Rulli, who's from the Valley, was invited to the White House to witness the historic agreement being signed.

House Democrats are preparing to outline their case for removing President Donald Trump from office with the filing of a legal brief due by 5 p.m. Saturday.

The Senate impeachment trial schedule means this may well be the last full weekend of campaigning in Iowa for some Democratic candidates.

The previously confidential computer records of a deceased Republican strategist reveal he was concerned that Democrats were developing better data that could give them an advantage in the next round of redistricting.

Sen. Susan Collins is parachuting into the middle of Washington's prickliest political fight.

The first big contest of 2020 may not be Iowa, but a race for a tiny Texas House seat.

Secretary of State Mike Pompeo has broken three days of silence over the alleged surveillance and threats to the former U.S. ambassador to Ukraine.

Anti-President Donald Trump protests have gotten smaller three years after he took office and millions of people swarmed to the Women’s March in Washington and companion marches across the country.

A judge must decide the fate of former U.S. Rep. Christopher Collins after his lawyers and prosecutors disagreed over how he should be punished for conspiring in an insider trading scheme.

President Donald Trump’s legal team for his upcoming Senate impeachment trial will include a pair of well-known attorneys who have vigorously defended Trump on television and played roles in some of the most consequential legal dramas in recent history.

President Donald Trump's legal team will include former Harvard University law professor Alan Dershowitz and Ken Starr, the former independent counsel who led the Whitewater investigation into President Bill Clinton.

Hillary Rodham Clinton has advice for Democratic voters faced with an unsettled field of presidential contenders: pick a winner.

The Senate's impeachment trial of President Donald Trump has jurors and lawyers, but it won't look like anything Americans have seen on Court TV.

Billionaire Michael Bloomberg won't have to publicly disclose his finances until late March, well after voters take to the polls on Super Tuesday.

A dispute between Democratic presidential candidates Elizabeth Warren and Bernie Sanders has caused days of hand wringing among activists about how it might change the race.

President Donald Trump's surrogates are fanning out across the country as part of an aggressive effort to stretch his appeal beyond the base of working-class white voters who propelled him to victory in 2016.

Ohio Gov. Mike DeWine will deliver his annual State of the State address on March 31. 

Democratic presidential candidate Michael Bloomberg wants all new cars to be electric by 2035 and new buildings to produce no carbon emissions by 2025.

China has welcomed an interim trade deal with Washington and said the two sides need to address each other’s “core concerns.

Joe Biden has secured a weighty Deep South endorsement for his presidential campaign.

House Democrats have released documents they obtained from a close associate of President Donald Trump's personal lawyer Rudy Giuliani, including a handwritten note that mentions asking Ukraine's president to investigate “the Biden case.

The impeachment trial of President Donald Trump has opened in the Senate.

Ukrainian police say they have opened an investigation into the possibility that the former U.S. ambassador came under illegal surveillance before she was recalled from her post.

Lawmakers in Russia are set to vote on the appointment of a new prime minister a day after President Vladimir Putin kicked off an unexpected reshuffle of his inner circle.

The federal government's watchdog agency says the a White House office violated federal law in withholding security assistance to Ukraine aid.

One day after signing a new trade deal with China, President Donald Trump is expected to get more good news on his trade agenda.