Chicago Tribune photographer Brian Cassella captures the scene ahead of Pope Leo XIV’s installation in Vatican City.

VATICAN CITY (AP) — Pope Leo XIV, history’s first American pope, vowed Sunday to work for unity so that the Catholic Church ...

And yet, neither can be sacrificed for the sake of the other. No less than Pope John Paul II has reaffirmed much of Humanae Vitae in his Encyclical Veritatis Splendor and his Theology of the Body ...

In Chicago, whether it’s architecture or Catholicism, we do ordinary very well. It’s one reason we now call Pope Leo XIV our ...

This cemetery is named for Saint Callistus, a slave who eventually became the 16th pope (217-222). The inscription found at Saint Callistus comes from the first letter St. Paul wrote to the church ...