Centuries of dispute between Roman Catholic and Eastern Orthodox churches on how to calculate the date of Easter may come to an end if Pope Francis’ latest appeal is implemented. Meeting Nov. 19 with ...

The promotion of Christian unity, especially between the Catholic and Orthodox churches, is the "pursuit of catholicity," that is, of a holistic vision of Christianity that values and safeguards its ...

Centuries of church schisms show that if there’s a doctrine to be fought over, there’s a good chance Christians will fight about it. That repeated splintering is what makes the Council of Nicaea — a ...

Millions of people around the world celebrated Orthodox Christmas on Wednesday, nearly two weeks after much of the world marked the holy day. Certain Eastern Orthodox churches, including those in ...

The head of Ukraine’s Eastern Rite Catholic Church on Saturday said a document endorsed by Pope Francis this week permitting blessings for same-sex couples did not apply to his church and its ...