His age and prolonged illness have raised questions about whether he might resign, and revived interest about how papal power is exercised in the Holy See.

Pope Francis' age and prolonged illness have revived interest in how papal power is exercised in the Holy See, how it is transferred and under what circumstances.

Pope Francis continued his recovery from pneumonia Tuesday as the Vatican set in motion a nightly marathon of prayers from “his house” and allies cheered him on from afar in hopes that he might recover and get back to leading the Catholic Church.

EWTN News editorial director and vice president Matthew Bunson joins 'Fox News Live' to discuss Pope Francis' battle with double pneumonia and his future as leader of the Catholic Church.

People across Latin America prayed for Pope Francis, the first leader of the Catholic Church to come from the region, as the Vatican reported on Saturday the Argentina-born pontiff was in critical condition in a Rome hospital.

Pope Francis suffered a bronchial spasm on Friday that resulted in him breathing in vomit, requiring non-invasive mechanical ventilation, the Vatican said in relaying a setback in his two-week long battle against double pneumonia.

Pope Francis continued his slow recovery from double pneumonia on Thursday, beating back speculation of an imminent death, resignation or conclave and signaling that he was still very much in charge, albeit in a weakened state.

The changes Francis brought to the papacy were more than skin deep. He opened the church to the outside world in ways none of his predecessors had done before.

A scholar of global Catholicism writes how Francis has opened the church to the outside world in ways no pope had done before.