The publication of the Pope's first Encyclical Letter, "Magnifica humanitas of His Holiness Pope Leo XIV on safeguarding the human person in the time of artificial intelligence", took place on May 25, 2026. Pope Leo XIV signed the document on May 15, marking the 135th anniversary of the promulgation of Rerum novarum by Pope Leo XIII. Following the example of his predecessor, Pope Leo XIV wrote a social encyclical devoted to one of the principal challenges of our time: artificial intelligence. We hope you enjoy this audio production of Magnifica Humanitas, Pope Leo XIV's first encyclical, narrated by Sr. Bernadette Reis, Daughter of St. Paul, and the English team of Vatican News. Text Copyright 2026 Dicastery for Communication-Libreria Editrice Vaticana, Production Copyright 2026 by Vatican News. You can order the print edition of this audiobook from libreriaeditricevaticana.va and from pauline.org/magnifica-humanitas/. - Podcast - Radio Vaticana - Vatican News