US marks grim COVID-19 milestone Tiger Woods hospitalized after being involved in car accident US Fed to continue asset purchases Facebook's oversight board has received appeal from 'user' in Trump ban case US Senate confirms Thomas-Greenfield as Biden's UN envoy Mars rover sends home stunning video of landing Wall Street advances as Fed's Powell soothes inflation worries Dominican Republic receives China's Sinovac vaccine Biden, Trudeau discuss COVID-19, climate change, vowing to renew ties At least 67 dead in Ecuador jail riots Biden to travel to storm-devastated Texas on Friday A record 5.6% of Americans identify as LGBT+, Gallup poll finds FDA lays groundwork for vaccine boosters FAA orders immediate inspections of Boeing 777s Trump dealt blow in tax records battle FAA working 'nonstop' on United Airlines Boeing 77 engine failure probe: administrator Johnson & Johnson's one-dose vaccine closes in on US approval First vaccines delivered under COVAX scheme The challenges Joe Biden faces