An ancient mosaic dating back to the time of Jesus was discovered in the district of İznik, Turkey, ahead of Pope Leo XIV's ...

That council represents a fundamental stage in the development of the creed shared by all the Churches and ecclesial ...

Two masterpieces, centuries apart, reflect a theological insight centuries old: Mary was given not only to John, but to the ...

"Leo is taking his time," Rev. Mark Francis, told Reuters. "While he is going to continue in the path indicated by Pope ...

The 381 Council of Constantinople solidified Trinitarian doctrine, affirmed the Holy Spirit’s divinity, and reshaped the ...

The seal of the Resurrection is so powerful that in extreme cases even the unbaptized can administer baptism—using water or ...

Barnabas offers important lessons for modern evangelizers and missionaries. God’s grace is often at work in people and places ...

This includes the Council of Jerusalem, which was an apostolic ... One year later, at the First Council of Constantinople, the Church reaffirmed the Council of Nicaea and updated the Nicene ...

By Cindy Wooden, Catholic News Service The Council of Nicaea 1,700 years ago recognized that Christian unity had to be based ...

Moscow recently marked the 1,700th anniversary of the first Ecumenical Council when the profession of faith was drafted. Coincidentally, Putin and Pope Leo XIV spoke on the phone, providing an opportu ...

Christian leaders stress that the council and its anniversary still have relevance in the modern day, despite theological divides.