Former US vice-president Joe Biden has been handed a huge boost in the race to challenge Donald Trump in November's election.
Latest US elections 2020 news, comment and analysis from the Guardian, the world's leading liberal voice.
Former US vice-president Joe Biden has been handed a huge boost in the race to challenge Donald Trump in November's election.
Analysis: The Vermont senator's victory in Nevada should strike fear in the hearts of his rivals and critics, with his electorate reflecting a cross-section of the party.
The situation was reminiscent of the Iowa caucus on Feb. 3, when both Buttigieg and Sanders declared victory based on internal data. That result is still in dispute.
Michael Bloomberg spent hundreds of millions of dollars to get on the debate stage. But there was one thing his money couldn’t buy.
Russia interfered in the 2016 election in an attempt to boost Trump to victory. The interference led to Special Counsel Robert Mueller's investigation.
Billionaire’s record on policing and discrimination condemned
Mike Bloomberg faced his first true test as a candidate on Wednesday night's Democratic debate in Nevada.
Barack Obama's vice president was meant to be the favourite for the Democratic nomination. Now, Joe Biden is suddenly in massive trouble.
Bernie Sanders has won the New Hampshire Democratic primary contest, on a terrible night for former vice-president Joe Biden.
The 45-year-old entrepreneur was one of the breakout stars of the Democratic primary race, building a following that started largely online but expanded to give him enough donors and polling numbers to qualify for the first six debates.
Pete Buttigieg has surged towards the top of the pack ahead of New Hampshire's Democratic primary on Tuesday. He's drawing more attention from voters - and more attacks from presidential rivals who view this newcomer to national politics as a serious threat.
The Iowa caucuses used to be viewed as messy but endearing. Now they're just a mess. Three days after Democrats across the state gathered to vote for, and haggle over, their preferred presidential nominee, results are in - but the dust still hasn't fully settled.
The glossy campaign-style rollout shows she’s serious about 2020. But Warren will have more to prove than just her Native American ancestry.
Treason has very narrow legal definition, says law professor
Russia's president has joked he could offer asylum to former FBI chief James Comey if he runs into trouble for leaking recorded conversations with the US president to the press.