Papal infallibility is not always properly understood. Some on the right think that the magisterium can resolve every question or problem with a declaration. Those on the left often grow impatient and dispute its interventions.

Groups calling for the removal of books from libraries and school curricula today would do well to consider the Catholic Church’s experiences with attempting to censor authors.

Shannen Dee Williams’s 'Subversive Habits' uncovers—with authoritative, painstaking scholarship—a great deal of what was hidden and some of what has been erased concerning white supremacy in the Roman Catholic Church.

Why did Peter go to Rome? Is he actually buried under St. Peter’s Basilica? And why has Rome remained the center of the Roman Catholic Church for 2,000 years?

Kazakhstan, which Pope Francis will visit tomorrow, is largely an unknown country to many Catholics around the world. Here is a brief introduction to the country and its small Catholic community.

A mentor for a generation of scholars of American Catholic history, John W. O'Malley, S.J., died Sept. 11, 2022, at the age of 95.