A new strain of coronavirus that arose in the U.K. could become dominant in the U.S. by March. WSJ's Daniela Hernandez explains the science behind the emerging threat.

Joe Biden was sworn in today as the 46th president of the United States. WSJ's Siobhan Hughes was at the ceremony, and Ted Mann was on the streets outside.

As the end of Donald Trump's presidency approached, the Trump Organization believed there was money to be made after Trump left the White House. WSJ's Brian Spegele and Rebecca Ballhaus explain how the assault on the U.S. Capitol could upend those plans.