The resignation of Pope Benedict XVI has demonstrated the process by which a pope might step down and be replaced.

The resignation of Pope Benedict XVI has demonstrated the process by which a pope might step down and be replaced.

It’s time for a change.The resignation of Pope Benedict XVI could position the church

Pope Benedict XVI officially stepped down as leader of the Roman Catholic Church, citing a "lack of strength of mind and body."

Over the weekend, the Vatican announced serious complications in the recovery of Pope Francis. The 88-year-old pontiff, who has been hospitalized for 10 days, is battling pneumonia and on Sunday also appeared to be in the early stages of kidney failure, the Vatican said.

Pope Francis removed Strickland after he refused to resign from office. The Dicastery for Bishops investigated "all aspects" of Strickland's governance and leadership and concluded that "the continuation in office of Bishop Strickland was not feasible." The department recommended that Strickland be asked to resign.

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

Despite his hospital stay, Pope Francis remains in charge of the Catholic Church. But what if his health continues to decline?

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

Pope Francis has come down with a serious illness that could potentially force him to resign, but who would succeed him?