Getty Images Since the 14th century, Catholics have been celebrating the Sunday after Pentecost in honor of the Most Holy ...

An ancient mosaic dating back to the time of Jesus was discovered in the district of İznik, Turkey, ahead of Pope Leo XIV's ...

Pentecostals and ecumenicals, often perceived as distant from each other, have met during the Pentecostal World Conference in ...

For three months in 325 CE, Emperor Constantine gathered hundreds of bishops from across the empire in Nicaea, on the northern coast of what is now Turkey. The resulting statement of belief—the ...

Religious attendance is consistently correlated with higher levels of contentment and satisfaction. Here's what the research into that connection has revealed. Religion brings many things to a ...

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

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

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