Catholic and Orthodox Christians share the same prayer when making the sign of the cross, but they have distinct ways of ...

The persecution of Orthodox Christians became a flashpoint between members of Congress on social media this week.

The commemoration of Nicaea recalls the first of the Ecumenical Councils, convened in 325, when the Church, under the ...

ISTANBUL (RNS) — An upcoming visit between two of Christianity's most prominent figures is a welcome sign that reflects what's already happening in many churches in Turkey. ISTANBUL (RNS) — Pope Leo ...

Video. Pope Leo XIV celebrated Mass with thousands of Catholics in Istanbul, encouraging interfaith unity during his visit to ...

ISTANBUL (RNS) — Pope Leo XIV is set to touch down in Istanbul at the end of November before visiting Lebanon for his first international trip since his papal election in May. The pontiff will visit ...

On The New York Times website recently, Ruth Graham wrote about the surge of converts to Eastern Orthodox Christianity, ...

The Council of Nicaea, which convened in 325 AD under Emperor Constantine, changed the history of Christianity.

Video. Pope Leo XIV visited Istanbul’s Blue Mosque for a brief moment of prayer before meeting Christian and Orthodox leaders ...

Two Roman Catholic priests who were imprisoned on what human rights officials said were politically related charges were ...

The first ecumenical council, known as the Council of Nicaea, is still accepted as authoritative by the Catholic Church, the Eastern Orthodox Church, and many Protestants.