In 1453, the Ottomans seized Constantinople, ending the Byzantine Empire and the life of its last emperor, Constantine ...

Jean-Arnault Dérens, historian and editor-in-chief of Le Courrier des Balkans, has just published Geopolitics of Orthodoxy: ...

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 ...

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

As devotion to the Holy Face finds renewed interest, a new documentary connects ancient relics, modern miracles, and a ...

The Council of Nicaea 1,700 years ago recognized that Christian unity had to be based on a common faith and should be demonstrated by a common celebration of Easter, the most sacred feast of the ...

After the schism between the churches in Rome and Constantinople in ... the Syriac rite is attributed to St. James the Apostle. This liturgy was used by the church in Antioch in present day ...

He took the name Leo XIV, following 13 other Leos who have contributed much to the life of the Church. His choice of name and his ... Leo XIII had the fourth longest reign as pope after St. Peter the ...

What the Catechism of the Catholic Church says on "The Trinity ... does not appear in the Creed confessed in 381 at Constantinople. But Pope St. Leo I, following an ancient Latin and Alexandrian ...

At the headquarters of the Ecumenical Patriarchate in Istanbul, Orthodox clergy and faithful welcomed the May 8 election of Pope Leo XIV, hoping he would build on the ecumenical progress made by his ...

Pope Leo XIV declared himself “a Roman” at a civic ceremony on Sunday, as he performed his first duties for the Diocese of ...