How the Council of Nicaea changed Christianity forever. This raucous meeting, which took place exactly 1700 years ago, was one of the most important in Christian history.

In 1328, he explored East Africa, reaching Mogadishu, Mombasa, Sudan and Kilwa (modern Tanzania), as well as Yemen, Oman and Anatolia, where he documented cities like Alanya, Konya, Erzurum, Nicaea ...

Perhaps this edict was imposed upon pagan business men who thought everyday should be a working day and perhaps those who thought Christians must observe the entire Law of Moses, including ...

What the Catechism of the Catholic Church says on "The Trinity:" 232. "Christians are baptized 'in the name of the Father and of the Son and of the Holy Spirit' [Mt 28:19.] ...

Gerard O’Connell is America’s Vatican correspondent and author of The Election of Pope Francis: An Inside Story of the Conclave That Changed History. He has been covering the Vatican since 1985.