Cardinal Kurt Koch and Patriarch Bartholomew I, Eastern Orthodox ecumenical patriarch of Constantinople, addressed the 1,700th anniversary of the Council of Nicaea being celebrated in 2025 during the ...

Pope Leo XIV marks a high point of his his first foreign trip to Turkey with a pilgrimage to the site where early Christian church leaders met 1,700 years ago under the auspices of the Roman Emperor ...

The Chaldean Patriarch of Baghdad, Cardinal Louis Raphaël Sako. (AFP) As Churches across the world come together to celebrate the annual Week of Prayer for Christian Unity, from January 18-25, ...

Pope Leo and Ecumenical Patriarch Bartholomew signed a historic declaration, committing to the unity of the Catholic and ...

JAMES WOODCOCK/Gazette Staff Sandra Gail Pierson, full-time spiritual leader of Unity Church of Christianity in Billings, stands in front of the church at 9 14th St. W. Unity is a tradition, not a ...

Pope Leo XIV called on Christians to unite during his visit to Turkey, marking the 1700th anniversary of the Council of Nicaea in a gesture aimed at ending the Great Schism that separated the Roman ...

The pope celebrated Mass with some 5,000 people, many foreign-born Catholics, in an intimate Istanbul arena on Nov. 29, his last full day in Turkey.

On his first foreign trip as pope, Leo XIV encourages Turkey’s Christians, government and Islamic leaders to work together for peace and unity.

Pope Leo XIV and Orthodox Patriarch Bartholomew I of Constantinople issued a joint call for peace Saturday, condemning violence and urging faithful to work for a better world.