Dozens, perhaps hundreds, have told me that this time of transition makes them feel unsure, unsettled and uncomfortable, three difficult feelings. Some people have even told me that they are afraid. To which I say: Fear not!

What happens when a pope dies or resigns? How does a papal conclave work? What can we expect from a new pope?

What happens at a conclave? Tom Reese, S.J., answers questions related to the conclave, the event when a new pope is elected by the College of Cardinals.

What happens during the interregnum period? Tom Reese, S.J., explains the time between one pope's death and the succession of the next pope.

What happens when a pope dies or resigns? Tom Reese, S.J., explains the steps in detail of what will occur at the Vatican after a pope's death.

Cardinal Pietro Parolin told some 200,000 people in St. Peter’s Square that Pope Francis had made the message of God’s limitless mercy the heart of his pontificate.