The Vatican does not have clear guidelines for applying the principle of reciprocity, said Cardinal Jean-Louis Tauran.

Mary Ann Glendon (left), former U.S. ambassador to the Vatican, will receive the University of Notre Dame's Laetare Medal on May 17.

In the wake of Cardinal Walter Kasper's call for a clarification of the doctrine on indulgences, John O'Malley, S.J., offers this short history.

Prelates in several Latin American countries have spoken about the problem of drug trafficking in recent months.

Homeland Security plans to deploy federal agents to the southern border region are receiving mixed reviews from Mexican Catholic officials.

President Obama said he would be happy to avoid ethical disputes if alternatives to embryonic stem-cell research turn out to be equally promising.