US House Speaker Nancy Pelosi says Congress will establish an "outside, independent" commission to investigate the 6 January attack on the US Capitol by supporters of Donald Trump.
US President Joe Biden has said his predecessor Donald Trump's acquittal for inciting mob violence is a reminder that "democracy is fragile".
The US Senate has fallen short of the two-thirds majority needed to convict former President Donald Trump on a charge of incitement to insurrection over the Capitol riot on 6 January.
The US Senate has found that the impeachment trial of former President Donald Trump is constitutional, allowing full proceedings to begin.
The second impeachment trial of Donald Trump begins on Tuesday as Senate leaders agreed a rapid timetable.
President Joe Biden pushed for more fiscal support Friday to address one of the greatest challenges created by the COVID-19 pandemic - how to get millions of out-of-work Americans back on the job.
President Joe Biden has said his predecessor Donald Trump should not be given access to intelligence briefings because of his "erratic behaviour".
The Biden administration has ended the deadlock over the next head of the World Trade Organization (WTO) by expressing its "strong support" for Nigeria's ex-finance minister.
US President Joe Biden is forging ahead with plans to ram through a $1.9tn (£1.4tn) relief bill without Republican support after disappointing jobs data.
US President Joe Biden has begun to undo some of Donald Trump's key policies, hours after being sworn in.
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.