President-elect Joe Biden threw his weight into the Democratic battle for control of the US Senate on Tuesday, as his White House win was finally acknowledged by top Republicans and holdout foreign leaders.

Republicans held on to a seat in the US Senate on Tuesday after a close race in the state of North Carolina, dealing another blow to Joe Biden's Democrats in their bid to take control of the chamber.

US President Donald Trump, falling behind in the polls against Democrat Joe Biden ahead of the November election, on Wednesday urged his Republican Party to back a big-spending coronavirus stimulus package.

A biting new anti-Trump ad by a group of dissident Republicans, including the husband of a top White House aide, prompted the US president to lash out Tuesday at the "losers" who created it.

Top US Democrat Nancy Pelosi on Sunday challenged Republicans to allow a "fair trial" when Donald Trump's impeachment case moves to the Senate, going head-to-head with the president who suggested the Senate should dismiss the charges against him outright.

Furious about being left out of the Donald Trump impeachment process, US congressional Republicans stormed a closed-door witness deposition and refused to leave for several hours in an escalation of the showdown over the investigation of the president.

Senate Republicans face a do-or-die vote Tuesday to launch a new Obamacare repeal effort, as confusion reigns over what path President Donald Trump's party will take -- and whether they even have the votes to move forward.

US Senate Republicans on Thursday unveiled a revamped health care plan aimed at fulfilling President Donald Trump's pledge to repeal Obamacare, but a revolt by four conservatives put the bill in immediate jeopardy.

President Donald Trump took the unusual step of advocating a forced shutdown of the federal government Tuesday, after Republicans and Democrats ignored White House demands in reaching a budget deal.

US President Donald Trump faced mounting concern from fellow Republicans Tuesday over their party's plan to replace Obamacare, with conservatives warning the bill was too similar to existing controversial health care law.

US House Republicans unveiled long-awaited legislation Monday that would repeal and replace the health care reforms known as Obamacare, largely under the framework that President Donald Trump laid out in his recent congressional address.

Top Democrats warned Republicans Monday not to stymie investigations into contacts between President Donald Trump's campaign and Russia, as the White House sought to quell a media storm over the allegations.