Edward Schillebeeckx, O.P., wasn't officially a 'peritus' at the Second Vatican Council, but that didn't stop him from having a powerful influence on the council and on church theology for decades afterward.

There is no bigger question for Catholics today than this: Why should anyone become or remain Catholic?

Gerald O'Collins, S.J., the Australian Jesuit theologian who died last week, was a prominent writer in Christology, ecclesiology, spirituality and more in an academic career that spanned seven decades.

In this 1971 article, the late theologian Gerald O’Collins, S.J., treats the search for the “historical Jesus”—and its potential shortcomings and pitfalls.

The intertwined stories of Jacques Maritain and 'Nostra Aetate' underscore the need for Christians, now more than ever, to repudiate and combat antisemitism.

It is not selfish to do what you are good at and then to show a degree of humility about other things—including politics and other fields of expertise.