By today’s terminology, Athanasius of Alexandria might be called a “boy genius” or a prodigy. But back in 325 A.D., in his ...

In a short but poignant text from his best-known work, ‘Summa Theologiae,’ Aquinas explained his views on venerating relics.

Other traditions accuse the Reformers of ignoring church tradition and frustrating church unity. That gets things backward.

The Croatian journalist, theologian and human rights activist has spent his life considering questions of faith, identity and ...

The Church of Almighty God, one of China's largest Christian sects, is finding followers all over the world and making new ...

COMMENTARY: Approved on the same day as ‘Lumen Gentium’ and ‘Unitatis Redintegratio,’ ‘Orientalium Ecclesiarum’ manifests the ...

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Pope Francis has renewed his proposal for the Catholic Church and the Orthodox Church to have a common date to celebrate Holy ...

Celebrating the Week of Prayer for Christian Unity, Pope Francis reaffirmed the Catholic Church's willingness to accept a proposal for a common date for celebrating Easter in the West and the East.

Pope Francis indicated that the Catholic Church was willing to accept a common date for celebrating Easter in the West and ...