With their fratricidal war, Patriarch Kyrill and Vladimir Putin have likely lost the birthplace of Russian Christianity forever ...

How should the Vatican move forward on a hopeful — but challenging — new relationship with the Russian Orthodox Church?

The birth of a new Orthodox Church in Ukraine has widened the divisions between the ecumenical patriarch of Constantinople and the Russian Orthodox Church, pushing global Eastern Orthodoxy up to ...

More recently, Bartholomew, the current Ecumenical Patriarch, has been within Orthodoxy a more liberalizing, Westernizing force; Kirill, the current Moscow Patriarch, has pushed back.

Pope Francis and Kirill, the Russian Orthodox patriarch of Moscow, will meet, raising questions about the future of the Catholic Church in Ukraine.

The Russian church hopes to reunite with the independent Ukrainian branch under a single patriarch in Moscow that would allow it to control the holiest sites of Orthodoxy in the Slavic world.

Athenagoras I, the Ecumenical Patriarch of Constantinople, and by virtue of that the spiritual leader of Orthodoxy, came from Istanbul.

The patriarch of Moscow was not moved. The ecumenical upshot was that if reconciliation with Orthodoxy had to go through Moscow, then reconciliation would not proceed.

The Western trend of gender reassignment is a “sign of apocalypses,” Patriarch Kirill, the head of the Russian Orthodox Church, told Russian state news agency TASS in an interview broadcast on ...

Pope Paul VI is the 261st successor of St. Peter as Bishop of Rome; Ecumenical Patriarch Athenagoras I of Constantinople is the 261st successor of St. Andrew, legendary founder of the church there.

Patriarch Neophyte of Bulgaria, who was the first elected head of the Orthodox Church in the post-communist Balkan country, died at a hospital in Sofia at age 78.

(RNS) — Kirill's appearance underlined the importance of the soft-power influence that the Russian Orthodox Church exerts for Moscow in Africa.