Christians and Muslims must remain "united together in prayer," the pope said.

Some bishops' conferences are unhappy with the translation of the Roman Missal required by "Liturgiam Authenticam."

“I don’t like to anticipate what happens or to judge people in advance.”

Though clearly a commercial venture, Lust nonetheless makes sad reading and raises some questions.

Pope Francis puts his credibility on the line not only in the foreign policy field, but also in the pastoral field, outgoing U.S. Vatican Ambassador Ken Hackett says.

The cardinal already serves as president of the Pontifical Commission for the Protection of Minors.

Migrants and refugees must be given a dignified welcome, the pope said in his New Year's message.

He prayed for people across the globe, and especially for the people of Aleppo.

“There are more martyrs in the world today than in the early centuries of Christianity,” Francis told thousands of pilgrims.

The pope zoned in forcefully on a central aspect of the life of the Roman Curia, the papal civil service.