One of the council's lasting legacies is the Nicene Creed, a profession of faith still recited by Christians of all big ...

COMMENTARY: The solemn sign of reverence and humility links Catholics with their Eastern Orthodox brethren by tapping into ...

EASTERN ORTHODOX CHURCHES. There are many parallels between the beliefs of the Eastern Orthodox church and those of the Roman Catholic church, but there are also fundamental differences. Some of the ...

Pope Leo I tangled with Attila the Hun and won. Pope Leo III crowned Charlemagne as the first Holy Roman Emperor. This is the ...

Christian leaders stress that the council and its anniversary still have relevance in the modern day, despite theological ...

As Vatican Media explained, most of them originated from historical reunions between Eastern Orthodox communities and the Roman Catholic Church, and they can be found across Eastern Europe ...

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

Many European evangelicals and other conservative Christians, including Eastern Orthodox and Roman Catholic believers, have ...

Ecumenical Patriarch Bartholomew met with Pope Leo XIV at the Vatican, one day after he attended the papal inauguration ...

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

Ukranian President Volodymyr Zelenskyy presented Pope Leo XIV with a religious icon, painted on wood that had seen the ...

The U.S. and European leaders are placing their hopes in the Vatican to engage Russia and Ukraine in peace talks, after ...