Recognizing the essential tenets of faith that Catholics and Orthodox share should be the lens through which they discuss the issues that continue to separate them, Pope Leo XIV said.

Volunteers at Holy Trinity Greek Orthodox Church filled the day with greeting attendees, serving pastries, selling crafts, ...

Orthodox Christian art has almost nothing in common with its Catholic and Protestant counterparts despite the shared ...

By celebrating together this Nicene faith and by proclaiming it together, we will also advance towards the restoration of ...

Christian unity will not be “primarily the fruit of our own efforts, nor will it be realized through any preconceived model ...

Moscow recently marked the 1,700th anniversary of the first Ecumenical Council when the profession of faith was drafted. Coincidentally, Putin and Pope Leo XIV spoke on the phone, providing an opportu ...

On Sunday, Ecumenical Patriarch Bartholomew I presided over a liturgy in Istanbul to mark the 1,700th anniversary of the ...

The future of St. Catherine’s Monastery in Egypt’s Sinai Peninsula remains a source of controversy with tensions rising after ...

By Cindy Wooden, Catholic News Service The Council of Nicaea 1,700 years ago recognized that Christian unity had to be based ...

All autobiography is inherently mendacious, if only by omission and with the intent of protecting the innocent. In ...

This year marks the 30th anniversary of Ut unum sint, Pope St John Paul II’s landmark encyclical on ecumenism, signed on May ...

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