John Kerry, Biden’s special envoy for climate, gave a keynote address at the Vatican and will have a private meeting with Pope Francis.

An an important anniversary of Pope Leo XIII's famous encyclical on workers' rights, a look at how 'Rerum Novarum' applies to the vagaries of our new economy.

This week on “Inside the Vatican,” host Colleen Dulle and veteran Vatican correspondent Gerard O’Connell examine how binding the Vatican's letter and the U.S. bishops’ agreements are, along with what decisions the bishops now face.

There was an inevitability to the newsflash: Sooner or later, someone was going to shoot Pope John Paul II.

On Sunday, Father Jan Korditschke will hold a ceremony at a Jesuit parish in Berlin for any couple, gay or straight, who seeks a blessing from the church.

The lay ministry of catechist, the pope said, gives recognition to “those lay men and women who feel called by virtue of their baptism to cooperate in the work of catechesis.”