President Donald Trump has laid out new details of his ambitious plan for a multibillion-dollar “Golden Dome” missile defense system to protect the United States from foreign attacks, saying it should...

Polish authorities have indicted a man charged with planning to help Russian foreign intelligence services prepare a possible attempt to assassinate Ukraine's president, prosecutors said on Tuesday.

U.S. officials have said the Golden Dome is necessary to protect against “catastrophic attacks,” but experts say it faces logistical and financial hurdles.