Members of Libya's U.N.-backed Presidential Council reached Tripoli by ship on Wednesday, defying attempts to keep them out of the city and prevent them from installing a unity government. Seven members of the Council including Fayez Seraj, its head and the new government's...

The U.S. military said on Wednesday that it would deploy rotations of U.S.-based armored brigade combat teams to Europe, part of a wider effort to counter what the United States sees as Russian aggression on the continent. The teams will be on nine-month rotations starting in...

Donald Trump, turning his focus to Wisconsin even as another controversy cast a shadow over his campaign, said Tuesday he will no longer honor his pledge to support the eventual Republican presidential nominee. And his two Republican rivals, Texas Sen. Ted Cruz and Ohio Gov. John Kasich, also...

By launching nuclear-capable missiles Iran has defied a United Nations Security Council resolution that endorsed last year's historic nuclear deal, the United States and its European allies said in a joint letter seen by Reuters on Tuesday. Iran's recent ballistic tests involved...