( CNN )- An FBI translator with a top-secret security clearance traveled to Syria in 2014 and married a key ISIS operative she had been assigned to investigate, CNN has learned. The rogue employee, Daniela Greene, lied to the FBI about where she was going and warned her new husband he was...

North Korea accused the United States Tuesday of pushing the Korean peninsula to the brink of nuclear war after a pair of strategic U.S. bombers flew training drills with the South Korean and Japanese air forces in another show of strength. The two supersonic B-1B Lancer bombers were...

Accounts from witnesses and survivors cast doubt on American suggestions that ISIS was to blame for the deaths of more than 100 people taking refuge in a house hit by a U.S. airstrike earlier this year in Mosul, the deadliest single incident of the months-long campaign to retake the Iraqi city....

Several hundred teachers picketed outside Philadelphia schools early Monday as thousands more immigrants and union members across the United States prepared a series of strikes, boycotts and marches to protest President Donald Trump's immigration policies. The demonstrations on May Day,...