Senators were sworn in as jurors in the impeachment trial of former President Donald J. Trump, after the Senate voted, 55-45, to proceed despite a Republican effort to dismiss the charge as unconstitutional.

Gov. Gina M. Raimondo of Rhode Island, President Biden's nominee for commerce secretary, testified to the Senate on Tuesday about her plans to help the economy.

On Tuesday, the Senate voted to confirm Antony J. Blinken as the nation's 71st secretary of state.

Thousands of farmers protesting new farm laws poured into New Delhi on Tuesday and stormed the historic Red Fort in Delhi.

On Monday, President Biden overturned a Trump administration policy banning transgender individuals from serving in the military.

Prime Minister Benjamin Netanyahu said Israel would 'hermetically' close air travel, stopping most flights in and out of the country for at least a week to try to keep out coronavirus variants.

The police used tear gas, horses and water cannons to disperse anti-government demonstrators in Amsterdam and Eindhoven in the Netherlands on Sunday, who had gathered to protest a national coronavirus lockdown.

Demonstrators across Russia clashed with the police on Saturday as they turned out in support of the jailed opposition leader Aleksei A. Navalny.

Prime Minister Boris Johnson of Britain's scientific advisers urged restraint in interpreting preliminary evidence about the variant.

Dr. Anthony S. Fauci, President Biden's chief medical adviser for Covid-19, addressed reporters from the White House on Thursday, and warned the nation was 'still in a very serious situation' because of the pandemic.