Estonia is aiming to split its Orthodox Church from the Moscow Patriarchate as the Kremlin uses religion as a tool for soft ...

On Sunday, Ecumenical Patriarch Bartholomew I presided over a liturgy in Istanbul to mark the 1,700th anniversary of the ...

One of the most important shifts in history was the spread of Christianity by the Greeks from the Byzantine Empire into ...

By celebrating together this Nicene faith and by proclaiming it together, we will also advance towards the restoration of ...

This year marks the 30th anniversary of Ut unum sint, Pope St John Paul II’s landmark encyclical on ecumenism, signed on May ...

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 ...

The first ecumenical council, known as the Council of Nicaea, is still accepted as authoritative by the Catholic Church, the ...

Orthodox Christian art has almost nothing in common with its Catholic and Protestant counterparts despite the shared ...

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

Many sacred beliefs of our Catholic faith can be traced to the 21 ecumenical councils held since the fourth century.