Pope Francis's death at the age of 88 means the Catholic Church must choose a new leader. Here's how cardinals elect the next pontiff at the conclave.

The conclave to pick the next pope following the April 21 death of Pope Francis will begin on Wednesday, May 7, according to the Vatican.

The papal conclave to replace Pope Francis will begin Wednesday, May 7, the Vatican said on Monday. Cardinals will convene at the Vatican to begin a process of choosing a new pope, who will become the Catholic Church's 267th leader.