This raucous meeting, which took place exactly 1700 years ago, was one of the most important in Christian history.

Anglican Church of Canada faces steep decline, projecting no members by 2040. Leaders focus on activism and efficiency, but critics say collapse stems from deeper cultural and doctrinal issues.

This year, the universal Church celebrates the 1,700th anniversary of the Council of Nicaea, the first ecumenical council ...

The 381 Council of Constantinople solidified Trinitarian doctrine, affirmed the Holy Spirit’s divinity, and reshaped the ...

Constantinople fell, and Emperor Constantine XI’s sacrifice marked the end of an era and a legacy of faith and defiance.

This month, 1,700 years ago, was one of the most significant and consequential events in all of Church history.

COMMENTARY: The first ecumenical council made a landmark profession of Christ’s divine identity that continues to anchor the ...

Over and over again, Christians have found themselves on the wrong side of history, initially using biblical interpretation to defend practices that later generations recognize as morally indefensible ...

The Catholic Church has been here for more than 2000 years. Starting with Constantine the first Roman Catholic emperor during ...

Pope Leo XIV, invoking St. John Paul II, called for unity, tradition, and peace at his inaugural Mass, vowing not to rule as ...

May 21 is a festive day as the Greek Orthodox Church commemorates Saint Constantine, the founder of Constantinople, and his ...

The creed set the standard for orthodoxy for 1,700 years. But no one professes the faith today in the ancient Turkish town ...