The Orthodox and Catholic Churches have a long history that led to a series of divisions, also known as schisms.

Christians around the world will celebrate on the same day this year, a relative rarity. Pope Francis would like to make it ...

Pope Francis has made greater unity with the Orthodox a priority of his pontificate; he has especially expressed his desire ...

This special deep dive episode of “Inside the Vatican” unravels what made the Council of Nicaea groundbreaking 1,700 years ...

Holy Monday is the first of the six weekdays leading up to Easter, called Great and Holy Week in the Christian world.

In a relatively rare phenomenon this year, Palm Sunday, Holy Week, and fall on the same dates for the Roman Catholic and ...