"In Assisi, city of peace, we rejoice for the notable step toward world peace made today with the coming into force of the Treaty on the Prohibition of Nuclear Weapons," Archbishop Domenico Sorrentino said in a statement.
President Joe Biden will revoke the so-called "Mexico City policy," which blocks U.S. funding of foreign organizations that perform and promote abortion as a form of family planning.
The over 30 faith leaders who joined the online service also prayed for President Joe Biden, members of Congress, the nation's front-line workers, victims of COVID-19 and immigrants.
Bishops across the U.S. welcomed the inauguration of President Joe Biden as a celebration of democracy and liberty, and prayed for reconciliation in the face of deep political divides.
The 46th president of the United States along with fellow Catholics and other people of goodwill began the latest chapter in the nation's political history with a Mass ahead of the presidential inauguration.
The U.S. Bishops' Conference president said he was praying God will help Biden "heal the wounds caused by the pandemic, [and] to ease our intense political and culture divisions."
Marking the Treaty on the Prohibition of Nuclear Weapons coming into force Jan. 22, Pope Francis encouraged nations to work toward a world free from all nuclear arms.
As the Vatican health service continued vaccinating Vatican residents and employees against COVID-19, it also began offering the vaccine to homeless people who live in Vatican-owned shelters.
The head of the San Salvador Archdiocese refused to allow a judge access to church records on one of the largest modern-day massacres in Latin America, saying Jan. 17 that he's simply protecting victims.
Joe Scheidler, founder of the Pro-Life Action League in Chicago and one of the towering figures of the pro-life movement for decades, died of pneumonia Jan. 18 at his home in Chicago's Northwest Side.
The Vatican announced that it withdrew an arrest and extradition request for Cecilia Marogna, an Italian political analyst who allegedly was hired as a consultant by Cardinal Angelo Becciu and is now accused of embezzlement. Marogna faces "imminent" trial, the Vatican said.
With the news that dozens of people were suffocating to death due to a lack of oxygen in hospitals in the Amazon city of Manaus, Catholic bishops pleaded for more supplies.
Retired Archbishop Philip Wilson, former president of the Australian Catholic Bishops' Conference who served as archbishop of Adelaide for 17 years, died Jan. 17. He was 70.