Reigning from 1513 until 1521, Leo X is probably best known for excommunicating Protestant Reformation leader Martin Luther, ...

The question facing the conclave is whether the cardinals want to continue in the direction set by Pope Francis.

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

What does it mean that the newest pope has chosen the name Leo XIV? We look to the history of papal Leos to decode the choice.

Sweden's first cardinal, Anders Arborelius, is a convert to Catholicism in the overwhelmingly Protestant Scandinavian country ...

All Roman Catholics are Christians, but not the other way around, differing in beliefs about the sacraments, the pope, the ...