The BBC's security correspondent Frank Gardner explains how the US blockade of Iranian ports will work.

Trump said he didn't want to comment on what would happen if a deal wasn't reached by the end of the ongoing ceasefire, but that "it won't be pleasant for them, let me put it that way."

After six weeks of relentless Israeli bombardment, there was a fragile hope that the ceasefire between the United States and Iran might ease tensions in Lebanon.

The latest Nasa voyage shows the pitfalls of insider language afflict even the smartest people on the planet