The inauguration marks the official transfer of presidential power, with the executive branch changing hands from the Biden administration to the Trump administration. The 20th Amendment states that a president's four-year term ends at noon on Jan. 20, and the president-elect is sworn in shortly after.

President Donald Trump and Vice President JD Vance were sworn into office today amid heightened security measures in Washington, D.C.

There is room for about only 800 seats inside the Capitol Rotunda, so when Donald J. Trump’s inauguration was hastily moved indoors, that meant whoever made it inside was going to have to sit cheek-to-jowl.

President-elect Donald Trump arrives in the U.S. Capitol Rotunda on Monday for his inauguration as the 47th President of the United States.

On a frigid holiday Monday in Washington, D.C., Donald Trump took the oath of office for a second time to become the 47th president of the United States.

Thousands of Trump supporters braved the frigid temperatures in the nation's capital on Inauguration Eve. Donald Trump intends to start his second White House term by unleashing more than 100 executive orders and directives.