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.

Multiple rounds of voting likely will be required before a candidate emerges with the two-thirds majority required to become the next pope.

On the second day of the conclave at the Vatican, the cardinal electors chose Chicago-born Cardinal Robert Prevost as the new pope, Leo XIV.

Two cardinals, Michael Czerny and Chibly Langlois, sat down with ABC News to discuss the challenges facing the church that the new pope will have to face.

More than 130 cardinals from all over the world are gathering today for the papal conclave, through which a new head of the Catholic Church is elected.

Black smoke has poured out of the Sistine Chapel chimney, indicating no pope was elected on the first ballot of the conclave to choose a new leader of the Catholic Church.

Simply put, a conclave is the assembly of cardinals that elects a pope. The word itself comes from the Latin "com" and "clavis," meaning "together" and "key," respectively – highlighting the absolute, ...

This selection comes after two days of conclave in the Sistine Chapel, tying the modern record for the fastest selection of a pope.

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Suddenly I heard the most beautiful noise I have ever heard in my life: the sound of tens of thousands of people cheering as ...

Eyes around the world watched the viral video of students at Our Lady of Mount Carmel Academy host their own mini conclave.