Thursday marked a historic day for the Catholic Church that particularly hit home for adherents around Chicago, with the ...

About 24 hours after the conclave started, the world was introduced to the Catholic Church’s new pope. Pope Leo XIV, the ...

Pope Leo I tangled with Attila the Hun and won. Pope Leo III crowned Charlemagne as the first Holy Roman Emperor. This is the ...

This is a photo collection curated by AP photo editors.

Catholic cardinals will sequester themselves behind the Vatican's medieval walls for the start of a conclave to elect the ...