A US ceremony like never before, in the still-fresh aftermath of a violent challenge to the peaceful transition of power that the inaugural is designed to celebrate

US House Majority Whip says former president credited him with boosting Biden's campaign; Bush's office downplays remarks as 'nothing Biblical'

Event hosted by Tom Hanks at Lincoln Memorial was mix of live, virtual performances from stars including Springsteen, Perry, Timberlake, Legend, Yo-Yo Ma as well as 3 ex-presidents

New COVID strains temper optimism that mass vaccinations will help end shutdowns and curfews that have wrecked economies across the world

But new US administration has vowed to review deal, which was rushed through by Trump after Abu Dhabi agreed to normalize ties with Israel

New commander-in-chief begins work in West Wing, planning executive actions to undo Trump's policies on immigration, climate change and handling of coronavirus pandemic

Taking to Oval Office, new US president signs series of executive orders ending Muslim travel ban, construction of border wall and sends US back to Paris climate agreement

With 'The Hill We Climb,' written to open Joe Biden's presidency, 22-year-old poet references Biblical scripture and echoes Martin Luther King Jr.

In statements from overseas, officials signal desire to work with new administration on bolstering ties after tumultuous Trump years

'At least we won't wake up every morning expecting the worst,' Palestinian Authority Foreign Minister Riyad al-Maliki tells local media