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

The Iraqi government has shown little investment in reconstruction, and only thanks to NGOs have some churches been renovated ...

The Rule of St. Augustine offered monks a firm structure for their daily lives of work and prayer, even before the mendicant ...

Istanbul marked the 1,700th anniversary of the First Council of Nicaea, the groundbreaking gathering convened in 325 by ...

When Robert Francis Prevost chose the papal name Leo XIV, it could have meant many things. There were 13 Leos before him: The first, Leo the Great, was a fifth-century theologian who helped heal the ...

The Council of Nicaea promotes a dynamic relationship with law, fostering ecclesial unity without entangling in rigid web of ...