nuclear disarmament

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A view of the ruined Urukami Cathedral after the Aug. 9, 1945, atomic bombing of Nagasaki.

Nagasaki cathedral bells toll as bishops gather for 80th atomic bomb anniversary

Aug 8, 2025

By AC Wimmer

Four American archbishops are in Japan for a “Pilgrimage of Peace” Aug. 5–10 aligned with the Catholic Church’s Jubilee of... Read more

The Atomic Bomb Dome in Hiroshima, Japan.

Pope Leo XIV, bishops commemorate 80th anniversary of atomic bombing of Japan

Aug 6, 2025

By Madalaine Elhabbal

“True peace demands the courageous laying down of weapons — especially those with the power to cause an indescribable catastrophe,”... Read more

The Atomic Bomb Dome in Hiroshima, Japan.

Catholic bishops to join pilgrimage of peace to Japan on anniversary of atomic bombings

Jul 29, 2025

By Kate Quiñones

Cardinal Blase Cupich, Cardinal Robert McElroy, Archbishop Paul Etienne, and Archbishop John C. Wester will be part of the pilgrimage. Read more

A nuclear explosion.

Archdiocese of Santa Fe marks 80th anniversary of first nuclear bomb detonation

Jul 15, 2025

By Tessa Gervasini

The Archdiocese of Santa Fe will mark the 80th anniversary of the detonation of the first nuclear bomb, which took... Read more

Mass at a cathedral in Nagasaki, Japan, after the U.S. dropped a nuclear weapon on the city in August of 1945. The Japanese bishops asked for international nuclear disarmament in a June 20, 2025, letter.

Japan bishops on nuclear bombs: ‘This tragedy must not be repeated’

Jun 24, 2025

By Madalaine Elhabbal

The Catholic Bishops’ Conference of Japan is urging the international community to abolish nuclear weapons once and for all in... Read more

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Catholic leaders to attend ‘groundbreaking’ forum on nuclear weapons in New Mexico 

Aug 20, 2024

By Kate Quiñones

The “Forum on Nuclear Strategy: Disarmament and Deterrence in a Dangerous World” is set to take place on Saturday, Sept.... Read more

Pope Francis at his general audience in St. Peter's Square on May 17, 2023.

Pope Francis on G7 Summit: Nuclear deterrence offers ‘only an illusion of peace’

May 21, 2023

By Courtney Mares

In Hiroshima, G7 leaders issued their first-ever statement on nuclear disarmament, with a special focus on Russia. Read more

Cardinal Blase Cupich of Chicago

Cardinal Cupich: A world without nuclear weapons is ‘not some utopian dream’ 

Jun 15, 2021

Ahead of important international meetings this week, Cardinal Blase Cupich of Chicago urged President Joe Biden and other world leaders... Read more

Cardinal Pietro Parolin's video message to Climate Adaptation Summit Jan. 25, 2021. YouTube Screenshot.

Cardinal Parolin: ‘War is the antithesis of fraternity’

Apr 15, 2021

By Hannah Brockhaus

Cardinal Parolin said Thursday “the huge sums of money and human resources allocated to armaments make us reflect.” Read more