John Allen in Rome: It's the question everyone is asking: Is the pope really just old and tired, or is there more to the story?
John Allen in Rome: There's reason to believe the College of the Cardinals will go in a different direction when they gather to elect a new pope.
John Allen in Rome: The Vatican spokesperson answered questions about Benedict's resignation this morning -- but he certainly didn't have all the answers.
John Allen in Rome: Benedict's decision to resign has both won wide praise and raised a whole rafter of questions.
Pope Benedict XVI announced Monday that he will resign Feb. 28. "My strengths ... are no longer suited" to the papacy, he said.
"All of us -- every single person has difficulty coming to understand what this really is and how prevalent it is in our societies across the world," said Fr. Robert Oliver.
While every ecumenical council led to debate, it always has taken more than 50 years for teachings to take root, he said.
Analysis: President Obama needs to find a new envoy to the Vatican, and his choice for a replacement is being watched in Rome.
The head of the Society of St. Pius X said he has been receiving mixed messages from the Vatican over how the group might be brought back into full communion with the church.
New Vatican rules will not compel Catholic charities around the world to renounce government money, officials in the Vatican say.