Jesuit Brother Bob Macke, a Vatican astronomer and meteorite expert, has built a custom device for studying material from the first U.S. mission to collect a sample from an asteroid.

At a moving ceremony at the edge of a cliff overlooking the Mediterranean Sea, Pope Francis led a moment of silence for the countless lives lost in its blue but treacherous waters.

Pope Francis arrived in the ancient port city of Marseille Sept. 22 for a two-day visit that was to focus on the plight of migrants and other opportunities and threats facing the Mediterranean Sea and the nations along its shores.

In a message to an ecumenical meeting at a historic Benedictine abbey in Hungary, Pope Francis said Russia’s war on Ukraine is a reminder of what the Second Vatican Council taught: “Any act of war aimed indiscriminately at the destruction of entire cities or of extensive areas along with their population is a crime against God and man himself.”

On the recommendation of the Catholic bishops of mainland China in consultation with the Chinese government, Pope Francis has named two bishops from the country’s mainland as members of the assembly of the Synod of Bishops.

With more than 450 people gathering at the Vatican from around the world for a monthlong meeting, the General Secretariat of the Synod said it is taking action to reduce the environmental impact of the synod assembly.

Bishop Joseph E. Strickland said he will not resign as bishop of Tyler, Texas, but if Pope Francis removes him from the diocese, he will respect the pope’s authority.

The Vatican urged members of the U.N. Security Council to be “creative and courageous artisans of peace and weavers of constructive dialogue” to find a peaceful solution to the war in Ukraine.

During an ecumenical prayer service at the assembly of the Lutheran World Federation, the Vatican’s chief ecumenist and the federation’s general secretary formally called for a joint reflection on the Augsburg Confession, a fundamental statement of Lutheran faith.

Inspired by the dignity of each human being as revealed by Jesus, Christians are called to fight “every form of slavery,” whether physical, social or spiritual, Pope Francis said.