The pope spoke at the symposium “Nicaea and the Church of the Third Millennium: Towards Catholic-Orthodox Unity,” which took ...

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

Christian unity will not be “primarily the fruit of our own efforts, nor will it be realized through any preconceived model ...

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

Pope Leo’s election also offers hope, because he reminds the world that religious conviction need not serve nationalist power ...

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

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

After a lengthy and tangled dispute over ownership of one of South Florida’s oldest Christian Orthodox churches, its long-time leadership has lost a pivotal legal battle — and the keys to the ...

Putin thanked the new pope for his contribution toward resolving the conflict while adding that Ukraine ‘was banking on ...

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

Just as Ronald Reagan and Pope John Paul II worked to defeat the USSR, Donald Trump and Pope Leo XIV can confront Putin’s ...

The former Cardinal Robert Prevost has led some two dozen public events but not made notable appointments, nor announced ...