A service marking the 1700th anniversary of the Council of Nicaea will be held Oct. 6 at the Cathedral Basilica of Saints ...

In that place, in A.D. 325, a united Church laid the doctrinal foundations for believers in every age to follow.

Many sacred beliefs of our Catholic faith can be traced to the 21 ecumenical councils held since the fourth century.

When Christians chant "Christ is risen," those words "proclaim that the darkness of sin and death have been vanquished by the Lamb", Pope Leo XIV told U.S. visitors taking part in an ecumenical ...

Pope Leo XIV on Thursday met with a U.S. ecumenical group, led by Cardinal Joseph Tobin and Greek Orthodox Archbishop Elpidophoros of America.

Pope Leo said on Thursday he hopes to travel to Turkey later this year for the 1,700th anniversary of a major Christian Church summit, in what would be the first foreign trip of his papacy. The early ...

Pope Leo XIV hopes to visit Turkey in the coming months for a Christian religious commemoration, in what could be his first overseas trip as pontiff.

This year marks the 1700th Anniversary of the Ecumenical Council of Nicaea. The first Ecumenical Council took place in 325, and went against the Arian heresy, which denied the true divinity of ...

This year marks the 60th anniversary of the promulgation of Gaudium et Spes, the Second Vatican Council’s pastoral constitution on the Church in the modern world — and the last text issued by ...

Charley Hull was reportedly suffering from a virus at the year's fourth major but said to be feeling better later in the day.

Leo has a standing invitation to undertake Francis’ last, unfulfilled foreign commitment: Marking the 1,700th anniversary of the Council of Nicea, Christianity’s first ecumenical council, with ...