From the beginning of his election as the successor to St. Peter, Pope Leo XIV has summoned the Church to a renewed faith in the one Savior. As he said emphatically in the opening Mass of his ...

The Council of Nicaea convened during the pontificate of Pope Sylvester I in 325. The Council of Nicaea in 325 as depicted in a fresco in Salone Sistino at the Vatican. (photo: Giovanni Guerra ...

In the past week, scientists announced the discovery of ancient Roman ruins underneath the surface of the lake in Iznik, Turkey. But this was not just any archaeological discovery. They have may have ...

A senior US diplomat will travel to Türkiye this week as part of Washington’s participation in events marking the 1,700th anniversary of the First Council of Nicaea, which Pope Leo XIV will also ...

When the Roman Emperor Constantine convened the Council of Nicaea in 325 A.D., both the church and the empire were in a state of flux. A little more than a decade earlier, Constantine had legalized ...

One significant decision at Nicaea was the date of the celebration of the Feast of the Resurrection, which at that time, and prior to the council was marked at different dates by different church ...

The city of Nicaea hosted one of Byzantium's most consequential religious showdowns, and this modest church is where it ...

Pope Leo XIV greets participants attending a conference on the ecumenical implications of the 1,700th anniversary of the Council of Nicaea June 7, 2025, in the Clementine Hall of the Apostolic Palace ...

The church of Aghia Sophia in Nicaea (Izmit), in which the 787 Council was held, was used as a museum. A controversial decision by the Directorate General of Religious Affairs transforms it into a ...

The church of Aghia Sophia in Nicaea (Izmit), in which the 787 Council was held, was used as a museum. A controversial decision by the Directorate General of Religious Affairs transforms it into a ...