Pope Leo urged Catholics to “leave behind theological controversies” … and unite with Protestants and Orthodox “in one faith and one love.” ...

The week of Jan. 18 to 25 was the Week of Prayer for Christian Unity, a week bookended by the Feast of the Confession of St. Peter (Jan. 18) and the Feast of the Conversion of St. Paul (Jan. 25). The ...

Every January, as winter settles across northern India, Christians from countless traditions pause to pray together for unity. From the 18th to the 25th, believers gather in churches, homes, and ...

Pope Leo XIV joined Eastern and Western patriarchs and priests Friday in commemorating an important anniversary in Christian history, gathering at the site in Turkey of an unprecedented A.D. 325 ...

Pope Leo XIV marked 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 ...

Catholics are stepping up cooperation with other Christian denominations in the face of current worldwide challenges, according to church delegates at a major ecumenical conference in Egypt marking ...

On Sunday, just ahead of his trip to Türkiye and Lebanon, Pope Leo XIV wrote about the 1700th Anniversary of the Council of Nicaea, which is the reason for his journey. The pontiff says the Council ...