Nuclear

Trump suggests pope unaware of Iran nuclear stance despite Leo’s repeated calls for disarmament #Catholic President Donald Trump warned against a nuclear‑armed Iran, reacting to Chicago Mayor Brandon Johnsonʼs May 28 meeting with Pope Leo XIV at the Vatican, where the mayor said they discussed U.S. immigration and the Iran conflict.Trump posted, “Someone should explain to the Pope that the Mayor of Chicago is useless, and that Iran cannot have a Nuclear Weapon.” He also shared screenshots of the mayor’s posts with pictures of him and the Chicago-born pope sharing gifts and praying. Trump made the comments in a May 30 post on Truth Social.The president has repeatedly claimed, without evidence, that Leo wants the Middle Eastern country to develop nuclear armaments.Leo has rejected those allegations. On May 5 at Castel Gandolfo he stated that the Church "has spoken for years against all nuclear weapons." Later, Vatican Secretary of State Cardinal Pietro Parolin stated that the Holy See "has always worked, and will continue to work, on nuclear disarmament."The White House and Chicago mayor’s office did not immediately reply to requests for comment.Trump sharply criticized Pope Leo XIV in April, calling him “weak on crime” and “terrible for foreign policy” and saying he is “not a fan” of the pope.Trump expressed his disapproval of Leoʼs public statements denouncing the U.S.-led war on Iran. The Holy Father has repeatedly called for peace amid the ongoing conflict.The pope has said he is “not afraid of the Trump administration or of speaking out loudly about the message of the Gospel.”

Trump suggests pope unaware of Iran nuclear stance despite Leo’s repeated calls for disarmament #Catholic President Donald Trump warned against a nuclear‑armed Iran, reacting to Chicago Mayor Brandon Johnsonʼs May 28 meeting with Pope Leo XIV at the Vatican, where the mayor said they discussed U.S. immigration and the Iran conflict.Trump posted, “Someone should explain to the Pope that the Mayor of Chicago is useless, and that Iran cannot have a Nuclear Weapon.” He also shared screenshots of the mayor’s posts with pictures of him and the Chicago-born pope sharing gifts and praying. Trump made the comments in a May 30 post on Truth Social.The president has repeatedly claimed, without evidence, that Leo wants the Middle Eastern country to develop nuclear armaments.Leo has rejected those allegations. On May 5 at Castel Gandolfo he stated that the Church "has spoken for years against all nuclear weapons." Later, Vatican Secretary of State Cardinal Pietro Parolin stated that the Holy See "has always worked, and will continue to work, on nuclear disarmament."The White House and Chicago mayor’s office did not immediately reply to requests for comment.Trump sharply criticized Pope Leo XIV in April, calling him “weak on crime” and “terrible for foreign policy” and saying he is “not a fan” of the pope.Trump expressed his disapproval of Leoʼs public statements denouncing the U.S.-led war on Iran. The Holy Father has repeatedly called for peace amid the ongoing conflict.The pope has said he is “not afraid of the Trump administration or of speaking out loudly about the message of the Gospel.”

The president has claimed, without evidence, that Pope Leo XIV wants the Middle Eastern country to develop nuclear armaments.

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Pope Leo unveils his encyclical: AI has ‘even greater consequences’ than Industrial Revolution #Catholic VATICAN CITY — Pope Leo XIV on Monday personally attended the presentation of his first encyclical, Magnifica Humanitas, in an uncustomary gesture. Upon his arrival at the event, held in the Vaticanʼs Synod Hall, he was greeted with sustained applause from an audience made up of members of the Roman Curia, representatives of academia, and the diplomatic corps.Among the speakers was Canadian Christopher Olah, co-founder of Anthropic, one of the leading artificial intelligence (AI) companies. The firm has recently had tensions with the administration of U.S. President Donald Trump after prohibiting the U.S. Department of Defense from using its software for military purposes.Some observers had raised concerns about including a representative of a major tech company like Anthropic in an event of this kind. The Holy Father himself dispelled any hesitation by thanking Olah for his presence: “What a great sign of hope it is that with our differences we can listen to one another,” he said in his remarks.“This interchange clearly bespeaks the gravity of the moment, as well as confidence that together we can discern the major questions of our time, and so the future of humanity,” he added.In his remarks prior to the pope’s address, Olah echoed the same idea: "That is why, if we want this technology to go well, it is enormously important that there be people outside those incentives — people who care about things going well and insist on safety, who are paying close attention, who are willing to say hard things, who are willing to be our earnest, thoughtful, critics. It is through dialogue and mutual effort, through the push and pull, that humanity will achieve great things. That is what I see in Magnifica Humanitas, and it is why I am grateful to His Holiness and the Church for taking up this work of discernment.”
 
 Christopher Olah, co-founder of AI company Anthropic, says he is grateful to Pope Leo XIV and the Church for “taking up this work of discernment” on artificial intelligence, during his address at the presentation of the encyclical Magnifica Humanitas on May 25, 2026, in the Synod Hall of the Vatican. | Credit: Daniel Ibáñez/EWTN News/Vatican Pool
 
 Olah, who is not a believer, also issued a call to various sectors — religious communities, civil society, academics, and governments — to follow the pope’s example with this document: “to take this seriously, to look closely, and to push events in a better direction. We need informed critics who will tell the labs when we are failing. We need moral voices that the incentives cannot bend.”It is no coincidence that Leo XIV signed his first encyclical on May 15, the same date on which his predecessor Leo XIII promulgated Rerum Novarum (“On New Things”) in 1891 in response to the dehumanization brought about by the Industrial Revolution. As the pope explained, the world today faces a transformation of perhaps even greater scope.“Today we find ourselves facing a transformation of similar magnitude, with perhaps even greater consequences. Artificial intelligence already touches many areas of our lives and affects decisions that shape human coexistence,” he said.The pope expressed particular concern about the impact of new technologies on the conduct of war, which, he warned, is changing dramatically.“Like the earlier Leo, I feel entrusted to look upon another huge transformation with eyes of faith, with lucidity of reason, with openness to mystery, and with cries of the poor and the earth resounding in my heart,” he said.The Holy Father also described the method behind the drafting of this magisterial document, which began in July 2025 at the papal residence in Castel Gandolfo. In it, he seeks to reaffirm what makes us human in a society shaped by technology.He emphasized that Magnifica Humanitas was born from listening: “I have listened to scientists and engineers who work with sincere enthusiasm on technologies capable of alleviating immense suffering, to political leaders and public officials who have perseveringly sought just rules, to parents and teachers who are deeply concerned for the future of younger generations,” he said, without naming individuals.At the same time, he acknowledged hearing “Other very troubling voices have also reached me about increasingly autonomous weapons systems practically beyond any human reach to govern them effectively.”“I hear very troubling accounts of algorithms that can block access to healthcare, employment, and security on the basis of data tainted by prejudice and injustice. And Iʼve heard the silence of those who have no voice when decisions are made — decisions likely to generate new forms of exclusion and suffering,” he lamented.In line with the document — which states that artificial intelligence is not morally neutral — the pope called for AI to be “disarmed.”“The word is strong, I know, but deliberately chosen because this moment needs words capable of attracting attention, awakening consciences, and indicating paths forward for humanity,” he warned.“The Church has long been working for nuclear disarmament, aware that every great technical power can affect peopleʼs lives, and so must be accompanied by adequate moral discernment and public control. Nuclear disarmament remains a service to peace and the dignity of the human family,” he added.Also speaking at the presentation were three cardinals of the Roman Curia: Secretary of State Pietro Parolin; Cardinal Víctor Manuel Fernández, prefect of the Dicastery for the Doctrine of the Faith; and Cardinal Michael Czerny, SJ, prefect of the Dicastery for Promoting Integral Human Development.Two theologians also took the floor: Anna Rowlands, a specialist in Catholic social teaching and migration ethics at Durham University, and Leocadie Lushombo, an expert in political theology and Catholic social thought at the Jesuit School of Theology of Santa Clara University in California.This story was originally published by ACI Prensa, EWTN News' Spanish-language news service. It has been translated and adapted by EWTN News English.

Pope Leo unveils his encyclical: AI has ‘even greater consequences’ than Industrial Revolution #Catholic VATICAN CITY — Pope Leo XIV on Monday personally attended the presentation of his first encyclical, Magnifica Humanitas, in an uncustomary gesture. Upon his arrival at the event, held in the Vaticanʼs Synod Hall, he was greeted with sustained applause from an audience made up of members of the Roman Curia, representatives of academia, and the diplomatic corps.Among the speakers was Canadian Christopher Olah, co-founder of Anthropic, one of the leading artificial intelligence (AI) companies. The firm has recently had tensions with the administration of U.S. President Donald Trump after prohibiting the U.S. Department of Defense from using its software for military purposes.Some observers had raised concerns about including a representative of a major tech company like Anthropic in an event of this kind. The Holy Father himself dispelled any hesitation by thanking Olah for his presence: “What a great sign of hope it is that with our differences we can listen to one another,” he said in his remarks.“This interchange clearly bespeaks the gravity of the moment, as well as confidence that together we can discern the major questions of our time, and so the future of humanity,” he added.In his remarks prior to the pope’s address, Olah echoed the same idea: "That is why, if we want this technology to go well, it is enormously important that there be people outside those incentives — people who care about things going well and insist on safety, who are paying close attention, who are willing to say hard things, who are willing to be our earnest, thoughtful, critics. It is through dialogue and mutual effort, through the push and pull, that humanity will achieve great things. That is what I see in Magnifica Humanitas, and it is why I am grateful to His Holiness and the Church for taking up this work of discernment.” Christopher Olah, co-founder of AI company Anthropic, says he is grateful to Pope Leo XIV and the Church for “taking up this work of discernment” on artificial intelligence, during his address at the presentation of the encyclical Magnifica Humanitas on May 25, 2026, in the Synod Hall of the Vatican. | Credit: Daniel Ibáñez/EWTN News/Vatican Pool Olah, who is not a believer, also issued a call to various sectors — religious communities, civil society, academics, and governments — to follow the pope’s example with this document: “to take this seriously, to look closely, and to push events in a better direction. We need informed critics who will tell the labs when we are failing. We need moral voices that the incentives cannot bend.”It is no coincidence that Leo XIV signed his first encyclical on May 15, the same date on which his predecessor Leo XIII promulgated Rerum Novarum (“On New Things”) in 1891 in response to the dehumanization brought about by the Industrial Revolution. As the pope explained, the world today faces a transformation of perhaps even greater scope.“Today we find ourselves facing a transformation of similar magnitude, with perhaps even greater consequences. Artificial intelligence already touches many areas of our lives and affects decisions that shape human coexistence,” he said.The pope expressed particular concern about the impact of new technologies on the conduct of war, which, he warned, is changing dramatically.“Like the earlier Leo, I feel entrusted to look upon another huge transformation with eyes of faith, with lucidity of reason, with openness to mystery, and with cries of the poor and the earth resounding in my heart,” he said.The Holy Father also described the method behind the drafting of this magisterial document, which began in July 2025 at the papal residence in Castel Gandolfo. In it, he seeks to reaffirm what makes us human in a society shaped by technology.He emphasized that Magnifica Humanitas was born from listening: “I have listened to scientists and engineers who work with sincere enthusiasm on technologies capable of alleviating immense suffering, to political leaders and public officials who have perseveringly sought just rules, to parents and teachers who are deeply concerned for the future of younger generations,” he said, without naming individuals.At the same time, he acknowledged hearing “Other very troubling voices have also reached me about increasingly autonomous weapons systems practically beyond any human reach to govern them effectively.”“I hear very troubling accounts of algorithms that can block access to healthcare, employment, and security on the basis of data tainted by prejudice and injustice. And Iʼve heard the silence of those who have no voice when decisions are made — decisions likely to generate new forms of exclusion and suffering,” he lamented.In line with the document — which states that artificial intelligence is not morally neutral — the pope called for AI to be “disarmed.”“The word is strong, I know, but deliberately chosen because this moment needs words capable of attracting attention, awakening consciences, and indicating paths forward for humanity,” he warned.“The Church has long been working for nuclear disarmament, aware that every great technical power can affect peopleʼs lives, and so must be accompanied by adequate moral discernment and public control. Nuclear disarmament remains a service to peace and the dignity of the human family,” he added.Also speaking at the presentation were three cardinals of the Roman Curia: Secretary of State Pietro Parolin; Cardinal Víctor Manuel Fernández, prefect of the Dicastery for the Doctrine of the Faith; and Cardinal Michael Czerny, SJ, prefect of the Dicastery for Promoting Integral Human Development.Two theologians also took the floor: Anna Rowlands, a specialist in Catholic social teaching and migration ethics at Durham University, and Leocadie Lushombo, an expert in political theology and Catholic social thought at the Jesuit School of Theology of Santa Clara University in California.This story was originally published by ACI Prensa, EWTN News' Spanish-language news service. It has been translated and adapted by EWTN News English.

The pope thanked Anthropic co-founder Christopher Olah for his presence at the presentation: “What a great sign of hope it is that with our differences we can listen to one another.”

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Pope Leo XIV tells new priests: ‘You are a channel, not a filter’ #Catholic VATICAN CITY, April 26, 2026 — Pope Leo XIV ordained 10 new priests in St. Peter’s Basilica on Sunday, urging them to keep the doors of the Church open and to remember that their mission is to welcome, not to exclude.“Today more than ever, especially when statistics seem to indicate a divide between people and the Church, keep the door open! Let people in, and be prepared to go out,” the pope said in his homily for the Mass on the Fourth Sunday of Easter, also known as Good Shepherd Sunday.“This is another secret for your life: you are a channel, not a filter,” he told the ordinands.Eight of the new priests were ordained for the Diocese of Rome, of which the pope is bishop: Guglielmo Lapenna, Giorgio Larosa, Jos Emanuele Nleme Sabate, Giovanni Emanuele Nunziante Salazar, Antonino Ordine, Yordan Camilo Ramos Medina, Daniele Riscica, and Cristian Sguazzino.The pope also ordained Armando Roa Núñez, born in Mexico and incardinated in the Diocese of Miao in India, and Selwyn Pinto Loyce, born in Saudi Arabia and incardinated in the Institute of Christ the Redeemer, Idente Missionaries.Reflecting on the Gospel in which Jesus says, “I am the gate,” Leo told the new priests to see themselves as servants of a suffering humanity that awaits abundant life.“Never hide this holy door. Do not block it; do not be an obstacle to those who wish to enter,” he said. Quoting Jesus’ rebuke in Luke’s Gospel, he added: “You did not enter yourselves, and you hindered those who were entering.”The pope said priestly ministry should be marked by communion and openness. “You belong to everyone and are for everyone!” he said. “Let this be the fundamental purpose of your mission: to keep the threshold open and direct others to it, without using too many words.”Leo also urged the ordinands not to reduce Christian life to parish structures or ecclesial groups.“The Church’s doors are open, but not to cut us off from life: life does not end in a parish, in an association, in a movement, in a group,” he said. “Whoever is saved can ‘go out and find pasture.’”“Dear brothers, go out and discover culture, people and life!” the pope continued. “Marvel at the things that God makes grow without our having sown them.”The pope also spoke about celibacy, comparing it to the love of spouses.“Certainly, like the love of spouses, the love that inspires celibacy for the Kingdom of God must also be guarded and constantly renewed, for every true affection matures and becomes fruitful over time,” he said.He told the new priests that the deeper their bond with Christ, “the more radical” their belonging to humanity becomes, adding that they are called to be “not only good priests but also honest, helpful citizens, builders of peace and social friendship.”The pope warned against fear and the search for scapegoats, saying that the need for security today can make people aggressive and cause communities to close in on themselves.“May your security not lie in the role you hold, but in the life, death and resurrection of Jesus as well as in your participation, along with your people, in the story of salvation,” he said.The communities to which the priests will be sent, he said, are already places where the risen Christ is present.“These communities will also help you to become saints!” Leo said. “For your part, help them to walk together, following Jesus, the Good Shepherd, so that they may become places — gardens — of life that rise anew and share themselves with others.”He added: “Facilitating encounters, helping to bring together those who would otherwise never meet, and conciliating division is one and the same as celebrating the Eucharist and Reconciliation. Coming together always means planting the Church anew.”Later on Sunday, before leading the Regina Caeli from the window of the Apostolic Palace, Pope Leo returned to the image of Jesus as the Good Shepherd and the gate of the sheepfold.“Jesus does not come as a thief to take away our life and our freedom, but to lead us along the paths of righteousness,” he said. “He does not come to ensnare or deceive our conscience, but to illuminate it with the light of his wisdom. He does not come to taint our earthly joys, but to open them to a fuller and more lasting happiness.”“Those who entrust themselves to him have nothing to fear,” the pope said, “for he does not deprive us of life, but comes to give it to us in abundance.”Leo urged the faithful to be vigilant about who or what enters “the gate” of their hearts.“‘Thieves’ can take many forms,” he said, citing those who “suppress our freedom or fail to respect our dignity,” as well as “beliefs and biases,” “mistaken ideas,” and “superficial and consumeristic lifestyles” that leave people empty inside.He also pointed to those who harm humanity by “pillaging the earth’s resources, waging blood-thirsty wars, or fueling evil in any form,” saying they “do nothing but rob each of us of the possibility of a future marked by peace and serenity.”The pope invited the faithful to examine their consciences: “Who do we want to guide us in life? Which ‘thieves’ have tried to break into our fold? Have they succeeded, or have we managed to ward them off?”After the Regina Caeli, Leo recalled the 40th anniversary of the Chernobyl nuclear disaster, calling it a warning about the risks of powerful technologies.“Let us entrust those who died and all who still suffer from the aftermath of the disaster to God’s mercy,” he said. “I hope that discernment and responsibility will always prevail at every level of decision-making so that all use of atomic energy may be placed at the service of life and peace.”The pope also offered a special greeting to the relatives and friends of the new priests of the Diocese of Rome.“Please continue to accompany these young ministers of the Gospel with your prayers,” he said.This story was first published in two parts by ACI Prensa, EWTN News’ Spanish-language news partner. It has been translated and adapted by EWTN News English.

Pope Leo XIV tells new priests: ‘You are a channel, not a filter’ #Catholic VATICAN CITY, April 26, 2026 — Pope Leo XIV ordained 10 new priests in St. Peter’s Basilica on Sunday, urging them to keep the doors of the Church open and to remember that their mission is to welcome, not to exclude.“Today more than ever, especially when statistics seem to indicate a divide between people and the Church, keep the door open! Let people in, and be prepared to go out,” the pope said in his homily for the Mass on the Fourth Sunday of Easter, also known as Good Shepherd Sunday.“This is another secret for your life: you are a channel, not a filter,” he told the ordinands.Eight of the new priests were ordained for the Diocese of Rome, of which the pope is bishop: Guglielmo Lapenna, Giorgio Larosa, Jos Emanuele Nleme Sabate, Giovanni Emanuele Nunziante Salazar, Antonino Ordine, Yordan Camilo Ramos Medina, Daniele Riscica, and Cristian Sguazzino.The pope also ordained Armando Roa Núñez, born in Mexico and incardinated in the Diocese of Miao in India, and Selwyn Pinto Loyce, born in Saudi Arabia and incardinated in the Institute of Christ the Redeemer, Idente Missionaries.Reflecting on the Gospel in which Jesus says, “I am the gate,” Leo told the new priests to see themselves as servants of a suffering humanity that awaits abundant life.“Never hide this holy door. Do not block it; do not be an obstacle to those who wish to enter,” he said. Quoting Jesus’ rebuke in Luke’s Gospel, he added: “You did not enter yourselves, and you hindered those who were entering.”The pope said priestly ministry should be marked by communion and openness. “You belong to everyone and are for everyone!” he said. “Let this be the fundamental purpose of your mission: to keep the threshold open and direct others to it, without using too many words.”Leo also urged the ordinands not to reduce Christian life to parish structures or ecclesial groups.“The Church’s doors are open, but not to cut us off from life: life does not end in a parish, in an association, in a movement, in a group,” he said. “Whoever is saved can ‘go out and find pasture.’”“Dear brothers, go out and discover culture, people and life!” the pope continued. “Marvel at the things that God makes grow without our having sown them.”The pope also spoke about celibacy, comparing it to the love of spouses.“Certainly, like the love of spouses, the love that inspires celibacy for the Kingdom of God must also be guarded and constantly renewed, for every true affection matures and becomes fruitful over time,” he said.He told the new priests that the deeper their bond with Christ, “the more radical” their belonging to humanity becomes, adding that they are called to be “not only good priests but also honest, helpful citizens, builders of peace and social friendship.”The pope warned against fear and the search for scapegoats, saying that the need for security today can make people aggressive and cause communities to close in on themselves.“May your security not lie in the role you hold, but in the life, death and resurrection of Jesus as well as in your participation, along with your people, in the story of salvation,” he said.The communities to which the priests will be sent, he said, are already places where the risen Christ is present.“These communities will also help you to become saints!” Leo said. “For your part, help them to walk together, following Jesus, the Good Shepherd, so that they may become places — gardens — of life that rise anew and share themselves with others.”He added: “Facilitating encounters, helping to bring together those who would otherwise never meet, and conciliating division is one and the same as celebrating the Eucharist and Reconciliation. Coming together always means planting the Church anew.”Later on Sunday, before leading the Regina Caeli from the window of the Apostolic Palace, Pope Leo returned to the image of Jesus as the Good Shepherd and the gate of the sheepfold.“Jesus does not come as a thief to take away our life and our freedom, but to lead us along the paths of righteousness,” he said. “He does not come to ensnare or deceive our conscience, but to illuminate it with the light of his wisdom. He does not come to taint our earthly joys, but to open them to a fuller and more lasting happiness.”“Those who entrust themselves to him have nothing to fear,” the pope said, “for he does not deprive us of life, but comes to give it to us in abundance.”Leo urged the faithful to be vigilant about who or what enters “the gate” of their hearts.“‘Thieves’ can take many forms,” he said, citing those who “suppress our freedom or fail to respect our dignity,” as well as “beliefs and biases,” “mistaken ideas,” and “superficial and consumeristic lifestyles” that leave people empty inside.He also pointed to those who harm humanity by “pillaging the earth’s resources, waging blood-thirsty wars, or fueling evil in any form,” saying they “do nothing but rob each of us of the possibility of a future marked by peace and serenity.”The pope invited the faithful to examine their consciences: “Who do we want to guide us in life? Which ‘thieves’ have tried to break into our fold? Have they succeeded, or have we managed to ward them off?”After the Regina Caeli, Leo recalled the 40th anniversary of the Chernobyl nuclear disaster, calling it a warning about the risks of powerful technologies.“Let us entrust those who died and all who still suffer from the aftermath of the disaster to God’s mercy,” he said. “I hope that discernment and responsibility will always prevail at every level of decision-making so that all use of atomic energy may be placed at the service of life and peace.”The pope also offered a special greeting to the relatives and friends of the new priests of the Diocese of Rome.“Please continue to accompany these young ministers of the Gospel with your prayers,” he said.This story was first published in two parts by ACI Prensa, EWTN News’ Spanish-language news partner. It has been translated and adapted by EWTN News English.

The pope ordained 10 men to the priesthood on Good Shepherd Sunday and later warned at the Regina Caeli against the “thieves” that rob people of freedom, dignity, and peace.

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