Concerns over Pope Francis' health have mounted in recent years as have questions about his succession. Here's what we know.

While the Vatican has detailed laws and rituals to ensure the transfer of power when a pope dies or resigns, they do not ...

Pope Francis is currently in hospital battling pneumonia in both lungs, sparking concerns around the world about what happens ...

While the Vatican has detailed laws and rituals to ensure the transfer of power when a pope dies or resigns, they do not ...

Pope Francis was conscious but still receiving high flows of supplemental oxygen Sunday following a respiratory crisis and ...