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 ...

The Bible, the inspired Word of God, is “the Church's only rule of faith and practice.” At least, that's what many Protestant denominations teach: that we are to believe ONLY what is written on the ...

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 ...

The official organ of The American Catholic Historical Association, The Catholic Historical Review was founded at The Catholic University of America (CUA) and has been published there since 1915. It ...

Progressive rock artist Neal Morse stirs some controversy between his unorthodox view of the Trinity and a Reformation themed concept album that swipes at Catholic Church history. Morse I really ...

Pew finds less than half of Protestants in many countries believe both sola fide and sola scriptura. In 1517, Martin Luther staked his soul on two revolutionary ideas: sola fide, that justification is ...

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 ...

Austen Ivereigh has done a great service by getting beneath the tabloid headlines about gay bishops and same-sex marriage to point out that the underlying difference in the Anglican Communion, as ...