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

Istanbul marked the 1,700th anniversary of the First Council of Nicaea, the groundbreaking gathering convened in 325 by ...

Challenge today is to extricate the historical, fully human Mary from theological baggage heaped upon her over centuries ...

His guests included Orthodox Ecumenical Patriarch Bartholomew of ... communities 60 years ago with the publication of the Second Vatican Council's document, "Nostra Aetate," on relations with ...

Born Robert Francis Prevost and raised in Chicago, he is the first American to ascend to the papacy. He is a product of an ...

During a special audience with religious leaders who came to Rome for the inauguration of his papal ministry, Pope Leo XIV vowed to continue working toward Christian unity and pr ...

As Pope Leo settles into the job, he signals what's ahead for the new papacy, taking action on the vision he sketched out in ...

For those (arch)dioceses that do not mark today as the Ascension, the liturgical calendar allows celebration of the optional ...

Yaron Lischinsky and Sarah Milgrim who were shot and killed as they left an event at the Capital Jewish Museum May 21, pose ...

At the headquarters of the Ecumenical Patriarchate in Istanbul, Orthodox clergy and faithful welcomed the May 8 election of Pope Leo XIV, hoping he would build on the ecumenical progress made by his ...