United Nations: The Federation of American Scientists' tallies show there are about 15,350 nuclear weapons in the world. The U.S. and Russia each have about 4,500 nuclear weapons stockpiled.
Georgetown luncheon: The "worst aspect" of Trump is his "unpredictability," said Archbishop Silvano Tomasi, former Vatican representative to U.N.
Thousands of Iraqi Christians are in Turkey waiting, from a few months to a few years, for an answer to their resettlement applications to Western countries.
Most agree that the Congo bishops conference's peace initiative offers the best chance of peace for a generation in the long-troubled Congo.
Rio Olympics: Medals or no medals, the team of 10 has been one of the biggest stories in Brazil.
The Salvadoran Supreme Court's decision July 13 to strike down an amnesty law enables prosecutions against those suspected in war crimes, but may cause instability.
Rains have come to Ethiopia for the first time in 18 months, but this latest drought is not expected to cause the widespread famine that happened in the 1980s.
Idomeni, Greece -- Overcrowding at a makeshift refugee camp led police and bulldozers to knock down tents and relocate hundreds of migrants.
If Christians and other religious minorities disappear in Iraq and Syria, "pluralism and stability leave with them," the head of the Knights of Columbus told a congressional commission April 19.
Only a "collective international response" can thwart the specter of terrorism that crosses borders, according to the Vatican's permanent observer mission to the United Nations.