President Trump and Iran’s lead negotiator have signed an agreement that was expected to open the Strait of Hormuz. But the deal’s specific terms have not been released, and the countries have pushed ...

Britain’s Defense Ministry said it was the first time that British forces had acted alone to stop a ship in the fleet, a collection of vessels that Russia uses to move fuel and evade sanctions. By ...

The Trump administration is moving forward with talks with companies to turn Cold War-era plutonium into a fuel for new nuclear reactors, part of a multi-pronged strategy to ensure there is enough ...

Read the latest national and world news, including stories from Newsday's reporters in Washington, D.C. Trump says Iran deal will lead to 'a lot of success' for the world as he opens talks at G7 ...