St. Athanasius (c. 297-373) was a great Church Father and heroic opposer of the heresy of Arianism. He is probably the most-cited Church Father after St. Augustine in the writings of Protestant ...

My conversion to Catholicism was marked by many small, imperceptible movements of the Holy Spirit, as is the case for all conversions, but there are some big moments and realizations that help me ...

Historian Mark Noll helps unravel the uses and misuses of ‘the Bible alone.’ It’s been a hallmark of Protestantism for 500 years, but what do we mean when we base our faith on “the Bible alone”? Is it ...

On October 31, 1517, Martin Luther nailed his 95 Theses to the door of the Wittenburg Church, igniting the Protestant Reformation. Luther was not trying to start a political or a spiritual revolution ...

Tuesday, Oct. 31, is Reformation Day, the 500th anniversary of the beginning of the Protestant Reformation. Martin Luther, a Roman Catholic priest, wanted a public debate on the Church's practice of ...

Dominic Erdozain is a research fellow at King's College, London, and the author of The Soul of Doubt: The Religious Roots of Unbelief from Luther to Marx. According to the nineteenth-century historian ...

“God can change the world with just one willing soul/Who will stand up for the truth and give him starring role?/So come in to the fullness and open up the door/Maybe it is you he’s looking for”—from ...

Editor’s note: 2017 is the 500th anniversary of the Protestant Reformation. Once a month, I'll look at different aspects of the movement. If there is a single phrase to sum up the Protestant ...