As a fireworks expert tests the Vatican's contemporary system for "holy smoke," Catholic cardinals mull their divergent priorities for Pope Francis' successor.

Support staff for the cardinals who will elect Pope Francis' successor are taking an oath of secrecy on Monday before the conclave starts on Wednesday.

As the Vatican prepares for a conclave to choose a new pope, American Catholics share their hopes and concerns for the Church ...

The world is watching as the iconic chimney atop the Sistine Chapel is readied to signal the election of a new Pope. Starting May 7, the conclave will take place, with cardinals gathering in secrecy ...