The Constitution doesn’t dictate how the process should work, so it could remain unresolved until next year, when lawmakers return from recess. Here’s what we know.

It’s unlikely that enough senators would vote to remove Mr. Trump. Senator Mitch McConnell, the majority leader, has made clear that he views the House’s case as “weak” and that he would prefer a swift trial that doesn’t call additional witnesses.

Yesterday: Mr. Trump became only the third president in American history to be impeached, as the House charged him with abuse of power and obstruction of Congress. The votes were largely along party lines.

Closer look: Watch highlights from the voting and see today’s front page of The Times.

“The Daily”: Today’s episode is about the impeachment vote.

Response: Mr. Trump insisted during a campaign rally in Michigan that the impeachment was a fabrication by those who can’t tolerate his presidency. President Vladimir Putin echoed Mr. Trump’s criticisms during a news conference today in Moscow.