Turkey's long-threatened incursion into northeast Syria after the sudden pullout of U.S. military forces from the country in early October raises serious moral questions on the responsibility to protect civilians caught in the middle of a new conflict.

Both the church and the nation will steadily shrink without newcomers from beyond our national borders. But there are big differences in how immigration plays out in different parts of the U.S.

A Catholic priest who disappeared from his family home was found dead in a shallow grave in southeastern Kenya a week after he was reported missing.

Running for president in 1928, Al Smith argued it was possible to be both a good Catholic and a faithful servant of the American people, writes Terry Golway. Even in losing, he changed U.S. history.

The United States is steadily becoming less Christian and the number of people with no religion is rising.

Britain and the EU have pledged to keep the border open after Brexit, but they have struggled to find a solution that is acceptable to both sides.