’Impeachment isn’t just for presidents. The Constitution allows other officials to be impeached, including Supreme Court justices. No justice of that court has been successfully removed through impeachment—yet.
The process has the same two steps as for presidents. The House of Representatives can vote, with a simple majority, to impeach a justice or other federal official. Then the Senate holds proceedings similar to a trial, then votes on whether to convict. If two-thirds of the Senate vote to convict, the justice is removed from office.…’