Facing a world in turmoil from multiple crises ranging from wars in the Mideast and Africa to the deadly scourge of Ebola and growing Islamic radicalism, leaders from more than 140 countries open...

U.S. health officials Tuesday laid out worst-case and best-case scenarios for the Ebola epidemic in West Africa, warning that the number of infected people could explode to at least 1.4 million by...

The Vatican said Tuesday that reconciliation talks are gradually resuming with a breakaway group of traditionalist Catholics following a two-year lull.   The head of the Vatican's...

A cease-fire in east Ukraine is being upheld by both government troops and Russia-backed rebels, a senior Ukrainian official said Tuesday, in a first step toward enforcing a truce that has been...

Science in the City, European Researchers’ Night will be brimming with more than 40 activities for all the family on Friday.  The third edition features attractions in diverse fields from...

Six months into the biggest-ever Ebola outbreak, scientists say they know more about how the potentially lethal virus behaves. The first cases of Ebola in this outbreak were reported in Guinea by the...

Palestinian leader Mahmoud Abbas said on Monday that he will demand an international resolution that would set a timetable for ending Israeli occupation of Palestinian territories when he speaks to...

The United Nations Se-curity Council is expected to adopt a binding resolution this week that would require nations to bar their citizens from traveling abroad to join terrorism organizations, part of...

Both government troops and pro-Russian rebels began withdrawing heavy artillery in the east of the country, Ukrainian officials said Monday, a significant step toward implementing an effective...

Western powers must be ready to commit ground forces to the fight against militants from the Islamic State group because airstrikes alone won't defeat these "fanatical" extremists,...