Many sacred beliefs of our Catholic faith can be traced to the 21 ecumenical councils held since the fourth century.

When someone accepts election as pontiff, there undergoes a change in that individual, not only in life purpose in leading ...

This year, the universal Church celebrates the 1,700th anniversary of the Council of Nicaea, the first ecumenical council ...

The 381 Council of Constantinople solidified Trinitarian doctrine, affirmed the Holy Spirit’s divinity, and reshaped the Nicene Creed, marking a turning point in early Christian theology.

A quiet yet symbolically significant gathering took place on May 17 at the Coptic Orthodox Patriarchate in Cairo.

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

But the new pope, in 2025, has done something more than mark an anniversary. By choosing the name “Leo” and explicitly ...

The new pope’s enthusiasm is apparent in his ... The first Leo was also the pontiff when the Council of Chalcedon took place. This Council was rejected by what is now known as the Oriental ...

Pope Leo I tangled with Attila the Hun and won. Pope Leo III crowned Charlemagne as the first Holy Roman Emperor. This is the ...

Pope Leo XIV’s conservative brother said in an interview this week that while the new pontiff is "much more liberal than I am," he's not "woke." Cardinal Robert Prevost was elected as the first ...

I was one of the army of commentators who confidently asserted that no American would be elected pope. Relying on the common wisdom, I told numerous journalists and broadcasters that until the ...

At the 451 Council of Chalcedon, the fourth ecumenical council ... In a letter to Archbishop Flavian of Constantinople, the pope explained that Christ has a divine and a human nature which exist ...