Although the ancient city of Nicaea lies in ruins and the geographic centre of Christianity has shifted West, Pope Leo XIV and Christian leaders gathered at an archaeological site in Turkey to ...

Pope Leo XIV marks a significant moment on his first foreign trip to Turkey with a pilgrimage to Iznik, the site of the ...

Pope Leo XIV commemorated the 1700th anniversary of the First Council of Nicaea on Thursday in the Turkish city historically ...

When Christians recite the Creed, it should prompt an examination of conscience about what they truly believe and what kind ...

Centuries of church schisms show that if there’s a doctrine to be fought over, there’s a good chance Christians will fight ...

Following is the full text of the joint statement issued Nov. 25, 2025, by Archbishop Richard G. Henning and Greek Orthodox Metropolitan Methodios on the 1,700th anniversary of the Council of Nicaea a ...

Pope Leo embarks on a significant journey through Turkey and Lebanon, aiming to unite Christian leaders across the Middle East. His visit marks the 1,700th anniversary of the Nicene Creed and ...

Every Sunday, in churches across the country, worshippers stand to affirm that they believe in “one God, the Father, the Almighty, maker of heaven and earth.” For many, these words are as familiar as ...

Some 1,700 years ago, bishops from all over the Roman Empire gathered in what is now Turkey to hash out Christian doctrine.

Irenaeus and Tertullian in the very early Christian church talk about a “regula fidei,” a “rule of faith,” which was a statement of common belief the community could use to explain to new folk what ...

Once upon a time, most Catholics were familiar with two creeds: the Apostles’ and the Nicene. Both creeds are built around the three Persons of the Trinity and their works. Steve Ray and Deacon Dennis ...