The destructive power of modern weaponry and dubious claims to justification mean just war theory, which includes legitimate

Encyclicals, motu proprios, apostolic constitutions, and exhortations — here is a guide to some of the types of

Papal encyclicals are a powerful way the pope shapes global debates and articulates Church doctrine, but how should

Cardinal Pietro Parolin also addressed tensions over the Traditional Latin Mass. Cardinal Pietro Parolin, the Vatican secretary of

The pope also invited Catholics to pray for priestly vocations. Pope Leo XIV on Wednesday said priestly ministry

The pope cautioned that AI risks dulling young people’s intelligence, relationships, and creativity. Pope Leo XIV warned that

An atheist expresses his quandary that although he does not believe in God yet somehow he loves him.

Archbishop Paul Richard Gallagher spoke at the event “A Common Front for Human Dignity: Preventing the Commodification of

Pope Leo XIV said Wednesday true satisfaction is found not in the accumulation of money or things, or

Pope Leo XIV on Wednesday rejected technological promises to indefinitely prolong human existence — such as those proposed

On Dec. 8 the Catholic Church celebrates the solemnity of the Immaculate Conception — a paramount feast in

A new Vatican document defends marriage as a monogamous relationship amid the growing popularity of polyamory and addresses

The Dicastery for the Doctrine of the Faith will publish a new document on marriage in the context

Pope Leo XIV said Catholic educators can learn four fundamental values from St. Augustine’s teachings: interiority, unity, love,

The day celebrates the appearance of the angel Gabriel to the Virgin Mary to announce the incarnation. Here are eight things to know and to share about the feast day and its significance.