COMMENTARY: Marking the 1,700th anniversary of the Council of Nicaea, the Pope contrasts orthodox faith with the claims of ...

You know Yogi Berra’s one-liner: “This is déjà vu all over again.” Well, the modern Catholic Church is experiencing Arianism all over again. Marcellino D’Ambrosio’s new book When the Church Was Young ...

Was the addition of Filioque to the Nicene Creed necessary to combat Arianism in the West? This is an assertion often made in its defense, but is this really true? Filioque—”and the Son” in Latin—is a ...

It wa a heresy that attempted to find a compromise between the Catholic Faith and Arianism. At the Council of Nicaea (325 A.D.), it was declared that the Son of God is "of the same substance" ...